209278179

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:201

約数の個数: 96

約数和(自身を含む): 371804160

約数和(自身を除く): 162525981

約数列:

[1, 3, 9, 11, 19, 31, 33, 37, 57, 93, 97, 99, 111, 171, 209, 279, 291, 333, 341, 407, 589, 627, 703, 873, 1023, 1067, 1147, 1221, 1767, 1843, 1881, 2109, 3007, 3069, 3201, 3441, 3589, 3663, 5301, 5529, 6327, 6479, 7733, 9021, 9603, 10323, 10767, 12617, 16587, 19437, 20273, 21793, 23199, 27063, 32301, 33077, 37851, 39479, 57133, 58311, 60819, 65379, 68191, 69597, 99231, 111259, 113553, 118437, 171399, 182457, 196137, 204573, 239723, 297693, 333777, 355311, 514197, 613719, 628463, 719169, 750101, 1001331, 1223849, 1885389, 2113921, 2157507, 2250303, 3671547, 5656167, 6341763, 6750909, 11014641, 19025289, 23253131, 69759393, 209278179]

約数ペア:

[(1, 209278179), (3, 69759393), (9, 23253131), (11, 19025289), (19, 11014641), (31, 6750909), (33, 6341763), (37, 5656167), (57, 3671547), (93, 2250303), (97, 2157507), (99, 2113921), (111, 1885389), (171, 1223849), (209, 1001331), (279, 750101), (291, 719169), (333, 628463), (341, 613719), (407, 514197), (589, 355311), (627, 333777), (703, 297693), (873, 239723), (1023, 204573), (1067, 196137), (1147, 182457), (1221, 171399), (1767, 118437), (1843, 113553), (1881, 111259), (2109, 99231), (3007, 69597), (3069, 68191), (3201, 65379), (3441, 60819), (3589, 58311), (3663, 57133), (5301, 39479), (5529, 37851), (6327, 33077), (6479, 32301), (7733, 27063), (9021, 23199), (9603, 21793), (10323, 20273), (10767, 19437), (12617, 16587)]