77681925

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{883}}^1$

素因数の和:939

約数の個数: 72

約数和(自身を含む): 153900864

約数和(自身を除く): 76218939

約数列:

[1, 3, 5, 9, 15, 17, 23, 25, 45, 51, 69, 75, 85, 115, 153, 207, 225, 255, 345, 391, 425, 575, 765, 883, 1035, 1173, 1275, 1725, 1955, 2649, 3519, 3825, 4415, 5175, 5865, 7947, 9775, 13245, 15011, 17595, 20309, 22075, 29325, 39735, 45033, 60927, 66225, 75055, 87975, 101545, 135099, 182781, 198675, 225165, 304635, 345253, 375275, 507725, 675495, 913905, 1035759, 1125825, 1523175, 1726265, 3107277, 3377475, 4569525, 5178795, 8631325, 15536385, 25893975, 77681925]

約数ペア:

[(1, 77681925), (3, 25893975), (5, 15536385), (9, 8631325), (15, 5178795), (17, 4569525), (23, 3377475), (25, 3107277), (45, 1726265), (51, 1523175), (69, 1125825), (75, 1035759), (85, 913905), (115, 675495), (153, 507725), (207, 375275), (225, 345253), (255, 304635), (345, 225165), (391, 198675), (425, 182781), (575, 135099), (765, 101545), (883, 87975), (1035, 75055), (1173, 66225), (1275, 60927), (1725, 45033), (1955, 39735), (2649, 29325), (3519, 22075), (3825, 20309), (4415, 17595), (5175, 15011), (5865, 13245), (7947, 9775)]