56405775

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1721}}^1$

素因数の和:1776

約数の個数: 48

約数和(自身を含む): 102493440

約数和(自身を除く): 46087665

約数列:

[1, 3, 5, 15, 19, 23, 25, 57, 69, 75, 95, 115, 285, 345, 437, 475, 575, 1311, 1425, 1721, 1725, 2185, 5163, 6555, 8605, 10925, 25815, 32699, 32775, 39583, 43025, 98097, 118749, 129075, 163495, 197915, 490485, 593745, 752077, 817475, 989575, 2256231, 2452425, 2968725, 3760385, 11281155, 18801925, 56405775]

約数ペア:

[(1, 56405775), (3, 18801925), (5, 11281155), (15, 3760385), (19, 2968725), (23, 2452425), (25, 2256231), (57, 989575), (69, 817475), (75, 752077), (95, 593745), (115, 490485), (285, 197915), (345, 163495), (437, 129075), (475, 118749), (575, 98097), (1311, 43025), (1425, 39583), (1721, 32775), (1725, 32699), (2185, 25815), (5163, 10925), (6555, 8605)]