28280835

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 58705920

約数和(自身を除く): 30425085

約数列:

[1, 3, 5, 9, 11, 15, 19, 31, 33, 45, 55, 57, 93, 95, 97, 99, 155, 165, 171, 209, 279, 285, 291, 341, 465, 485, 495, 589, 627, 855, 873, 1023, 1045, 1067, 1395, 1455, 1705, 1767, 1843, 1881, 2945, 3007, 3069, 3135, 3201, 4365, 5115, 5301, 5335, 5529, 6479, 8835, 9021, 9215, 9405, 9603, 15035, 15345, 16005, 16587, 19437, 20273, 26505, 27063, 27645, 32395, 33077, 45105, 48015, 57133, 58311, 60819, 82935, 97185, 99231, 101365, 135315, 165385, 171399, 182457, 285665, 291555, 297693, 304095, 496155, 514197, 628463, 856995, 912285, 1488465, 1885389, 2570985, 3142315, 5656167, 9426945, 28280835]

約数ペア:

[(1, 28280835), (3, 9426945), (5, 5656167), (9, 3142315), (11, 2570985), (15, 1885389), (19, 1488465), (31, 912285), (33, 856995), (45, 628463), (55, 514197), (57, 496155), (93, 304095), (95, 297693), (97, 291555), (99, 285665), (155, 182457), (165, 171399), (171, 165385), (209, 135315), (279, 101365), (285, 99231), (291, 97185), (341, 82935), (465, 60819), (485, 58311), (495, 57133), (589, 48015), (627, 45105), (855, 33077), (873, 32395), (1023, 27645), (1045, 27063), (1067, 26505), (1395, 20273), (1455, 19437), (1705, 16587), (1767, 16005), (1843, 15345), (1881, 15035), (2945, 9603), (3007, 9405), (3069, 9215), (3135, 9021), (3201, 8835), (4365, 6479), (5115, 5529), (5301, 5335)]