28630875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{839}}^1$

素因数の和:877

約数の個数: 64

約数和(自身を含む): 58705920

約数和(自身を除く): 30075045

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 91, 105, 125, 175, 195, 273, 325, 375, 455, 525, 839, 875, 975, 1365, 1625, 2275, 2517, 2625, 4195, 4875, 5873, 6825, 10907, 11375, 12585, 17619, 20975, 29365, 32721, 34125, 54535, 62925, 76349, 88095, 104875, 146825, 163605, 229047, 272675, 314625, 381745, 440475, 734125, 818025, 1145235, 1363375, 1908725, 2202375, 4090125, 5726175, 9543625, 28630875]

約数ペア:

[(1, 28630875), (3, 9543625), (5, 5726175), (7, 4090125), (13, 2202375), (15, 1908725), (21, 1363375), (25, 1145235), (35, 818025), (39, 734125), (65, 440475), (75, 381745), (91, 314625), (105, 272675), (125, 229047), (175, 163605), (195, 146825), (273, 104875), (325, 88095), (375, 76349), (455, 62925), (525, 54535), (839, 34125), (875, 32721), (975, 29365), (1365, 20975), (1625, 17619), (2275, 12585), (2517, 11375), (2625, 10907), (4195, 6825), (4875, 5873)]