25291845

素因数分解:

$3^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:531

約数の個数: 40

約数和(自身を含む): 45711864

約数和(自身を除く): 20420019

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 197, 317, 405, 591, 951, 985, 1585, 1773, 2853, 2955, 4755, 5319, 8559, 8865, 14265, 15957, 25677, 26595, 42795, 62449, 79785, 128385, 187347, 312245, 562041, 936735, 1686123, 2810205, 5058369, 8430615, 25291845]

約数ペア:

[(1, 25291845), (3, 8430615), (5, 5058369), (9, 2810205), (15, 1686123), (27, 936735), (45, 562041), (81, 312245), (135, 187347), (197, 128385), (317, 79785), (405, 62449), (591, 42795), (951, 26595), (985, 25677), (1585, 15957), (1773, 14265), (2853, 8865), (2955, 8559), (4755, 5319)]