25018905

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 41564160

約数和(自身を除く): 16545255

約数列:

[1, 3, 5, 15, 43, 79, 129, 215, 237, 395, 491, 645, 1185, 1473, 2455, 3397, 7365, 10191, 16985, 21113, 38789, 50955, 63339, 105565, 116367, 193945, 316695, 581835, 1667927, 5003781, 8339635, 25018905]

約数ペア:

[(1, 25018905), (3, 8339635), (5, 5003781), (15, 1667927), (43, 581835), (79, 316695), (129, 193945), (215, 116367), (237, 105565), (395, 63339), (491, 50955), (645, 38789), (1185, 21113), (1473, 16985), (2455, 10191), (3397, 7365)]