72779475

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1361}}^1$

素因数の和:1428

約数の個数: 48

約数和(自身を含む): 129705984

約数和(自身を除く): 56926509

約数列:

[1, 3, 5, 15, 23, 25, 31, 69, 75, 93, 115, 155, 345, 465, 575, 713, 775, 1361, 1725, 2139, 2325, 3565, 4083, 6805, 10695, 17825, 20415, 31303, 34025, 42191, 53475, 93909, 102075, 126573, 156515, 210955, 469545, 632865, 782575, 970393, 1054775, 2347725, 2911179, 3164325, 4851965, 14555895, 24259825, 72779475]

約数ペア:

[(1, 72779475), (3, 24259825), (5, 14555895), (15, 4851965), (23, 3164325), (25, 2911179), (31, 2347725), (69, 1054775), (75, 970393), (93, 782575), (115, 632865), (155, 469545), (345, 210955), (465, 156515), (575, 126573), (713, 102075), (775, 93909), (1361, 53475), (1725, 42191), (2139, 34025), (2325, 31303), (3565, 20415), (4083, 17825), (6805, 10695)]