207858915

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{1453}}^1$

素因数の和:1509

約数の個数: 72

約数和(自身を含む): 417809808

約数和(自身を除く): 209950893

約数列:

[1, 3, 5, 9, 11, 15, 17, 33, 45, 51, 55, 85, 99, 153, 165, 187, 255, 289, 495, 561, 765, 867, 935, 1445, 1453, 1683, 2601, 2805, 3179, 4335, 4359, 7265, 8415, 9537, 13005, 13077, 15895, 15983, 21795, 24701, 28611, 47685, 47949, 65385, 74103, 79915, 123505, 143055, 143847, 222309, 239745, 271711, 370515, 419917, 719235, 815133, 1111545, 1259751, 1358555, 2099585, 2445399, 3779253, 4075665, 4619087, 6298755, 12226995, 13857261, 18896265, 23095435, 41571783, 69286305, 207858915]

約数ペア:

[(1, 207858915), (3, 69286305), (5, 41571783), (9, 23095435), (11, 18896265), (15, 13857261), (17, 12226995), (33, 6298755), (45, 4619087), (51, 4075665), (55, 3779253), (85, 2445399), (99, 2099585), (153, 1358555), (165, 1259751), (187, 1111545), (255, 815133), (289, 719235), (495, 419917), (561, 370515), (765, 271711), (867, 239745), (935, 222309), (1445, 143847), (1453, 143055), (1683, 123505), (2601, 79915), (2805, 74103), (3179, 65385), (4335, 47949), (4359, 47685), (7265, 28611), (8415, 24701), (9537, 21795), (13005, 15983), (13077, 15895)]