3994375

素因数分解:

$5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1$

素因数の和:121

約数の個数: 40

約数和(自身を含む): 6297984

約数和(自身を除く): 2303609

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 83, 125, 175, 275, 385, 415, 581, 625, 875, 913, 1375, 1925, 2075, 2905, 4375, 4565, 6391, 6875, 9625, 10375, 14525, 22825, 31955, 48125, 51875, 72625, 114125, 159775, 363125, 570625, 798875, 3994375]

約数ペア:

[(1, 3994375), (5, 798875), (7, 570625), (11, 363125), (25, 159775), (35, 114125), (55, 72625), (77, 51875), (83, 48125), (125, 31955), (175, 22825), (275, 14525), (385, 10375), (415, 9625), (581, 6875), (625, 6391), (875, 4565), (913, 4375), (1375, 2905), (1925, 2075)]