220590513

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:180

約数の個数: 128

約数和(自身を含む): 421478400

約数和(自身を除く): 200887887

約数列:

[1, 3, 9, 11, 13, 19, 27, 31, 33, 39, 57, 93, 97, 99, 117, 143, 171, 209, 247, 279, 291, 297, 341, 351, 403, 429, 513, 589, 627, 741, 837, 873, 1023, 1067, 1209, 1261, 1287, 1767, 1843, 1881, 2223, 2619, 2717, 3007, 3069, 3201, 3627, 3783, 3861, 4433, 5301, 5529, 5643, 6479, 6669, 7657, 8151, 9021, 9207, 9603, 10881, 11349, 13299, 13871, 15903, 16587, 19437, 20273, 22971, 23959, 24453, 27063, 28809, 33077, 34047, 39091, 39897, 41613, 49761, 57133, 58311, 60819, 68913, 71877, 73359, 81189, 84227, 99231, 117273, 119691, 124839, 171399, 174933, 182457, 206739, 215631, 252681, 263549, 297693, 351819, 374517, 430001, 514197, 547371, 628463, 646893, 742729, 758043, 790647, 893079, 1055457, 1290003, 1542591, 1885389, 2228187, 2274129, 2371941, 3870009, 5656167, 6684561, 7115823, 8170019, 11610027, 16968501, 20053683, 24510057, 73530171, 220590513]

約数ペア:

[(1, 220590513), (3, 73530171), (9, 24510057), (11, 20053683), (13, 16968501), (19, 11610027), (27, 8170019), (31, 7115823), (33, 6684561), (39, 5656167), (57, 3870009), (93, 2371941), (97, 2274129), (99, 2228187), (117, 1885389), (143, 1542591), (171, 1290003), (209, 1055457), (247, 893079), (279, 790647), (291, 758043), (297, 742729), (341, 646893), (351, 628463), (403, 547371), (429, 514197), (513, 430001), (589, 374517), (627, 351819), (741, 297693), (837, 263549), (873, 252681), (1023, 215631), (1067, 206739), (1209, 182457), (1261, 174933), (1287, 171399), (1767, 124839), (1843, 119691), (1881, 117273), (2223, 99231), (2619, 84227), (2717, 81189), (3007, 73359), (3069, 71877), (3201, 68913), (3627, 60819), (3783, 58311), (3861, 57133), (4433, 49761), (5301, 41613), (5529, 39897), (5643, 39091), (6479, 34047), (6669, 33077), (7657, 28809), (8151, 27063), (9021, 24453), (9207, 23959), (9603, 22971), (10881, 20273), (11349, 19437), (13299, 16587), (13871, 15903)]