128772525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4021}}^1$

素因数の和:4102

約数の個数: 48

約数和(自身を含む): 247369088

約数和(自身を除く): 118596563

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 61, 75, 105, 175, 183, 305, 427, 525, 915, 1281, 1525, 2135, 4021, 4575, 6405, 10675, 12063, 20105, 28147, 32025, 60315, 84441, 100525, 140735, 245281, 301575, 422205, 703675, 735843, 1226405, 1716967, 2111025, 3679215, 5150901, 6132025, 8584835, 18396075, 25754505, 42924175, 128772525]

約数ペア:

[(1, 128772525), (3, 42924175), (5, 25754505), (7, 18396075), (15, 8584835), (21, 6132025), (25, 5150901), (35, 3679215), (61, 2111025), (75, 1716967), (105, 1226405), (175, 735843), (183, 703675), (305, 422205), (427, 301575), (525, 245281), (915, 140735), (1281, 100525), (1525, 84441), (2135, 60315), (4021, 32025), (4575, 28147), (6405, 20105), (10675, 12063)]