155895855

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12721}}^1$

素因数の和:12791

約数の個数: 32

約数和(自身を含む): 268688640

約数和(自身を除く): 112792785

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 817, 2451, 4085, 12255, 12721, 38163, 63605, 190815, 241699, 547003, 725097, 1208495, 1641009, 2735015, 3625485, 8205045, 10393057, 31179171, 51965285, 155895855]

約数ペア:

[(1, 155895855), (3, 51965285), (5, 31179171), (15, 10393057), (19, 8205045), (43, 3625485), (57, 2735015), (95, 1641009), (129, 1208495), (215, 725097), (285, 547003), (645, 241699), (817, 190815), (2451, 63605), (4085, 38163), (12255, 12721)]