39940875

素因数分解:

$3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2731}}^1$

素因数の和:2765

約数の個数: 48

約数和(自身を含む): 77566944

約数和(自身を除く): 37626069

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 125, 195, 225, 325, 375, 585, 975, 1125, 1625, 2731, 2925, 4875, 8193, 13655, 14625, 24579, 35503, 40965, 68275, 106509, 122895, 177515, 204825, 319527, 341375, 532545, 614475, 887575, 1024125, 1597635, 2662725, 3072375, 4437875, 7988175, 13313625, 39940875]

約数ペア:

[(1, 39940875), (3, 13313625), (5, 7988175), (9, 4437875), (13, 3072375), (15, 2662725), (25, 1597635), (39, 1024125), (45, 887575), (65, 614475), (75, 532545), (117, 341375), (125, 319527), (195, 204825), (225, 177515), (325, 122895), (375, 106509), (585, 68275), (975, 40965), (1125, 35503), (1625, 24579), (2731, 14625), (2925, 13655), (4875, 8193)]