25356645

素因数分解:

$3^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{457}}^1$

素因数の和:611

約数の個数: 40

約数和(自身を含む): 45886104

約数和(自身を除く): 20529459

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 137, 405, 411, 457, 685, 1233, 1371, 2055, 2285, 3699, 4113, 6165, 6855, 11097, 12339, 18495, 20565, 37017, 55485, 61695, 62609, 185085, 187827, 313045, 563481, 939135, 1690443, 2817405, 5071329, 8452215, 25356645]

約数ペア:

[(1, 25356645), (3, 8452215), (5, 5071329), (9, 2817405), (15, 1690443), (27, 939135), (45, 563481), (81, 313045), (135, 187827), (137, 185085), (405, 62609), (411, 61695), (457, 55485), (685, 37017), (1233, 20565), (1371, 18495), (2055, 12339), (2285, 11097), (3699, 6855), (4113, 6165)]