13256355

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{661}}^1$

素因数の和:867

約数の個数: 32

約数和(自身を含む): 24403968

約数和(自身を除く): 11147613

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 191, 573, 661, 955, 1337, 1983, 2865, 3305, 4011, 4627, 6685, 9915, 13881, 20055, 23135, 69405, 126251, 378753, 631255, 883757, 1893765, 2651271, 4418785, 13256355]

約数ペア:

[(1, 13256355), (3, 4418785), (5, 2651271), (7, 1893765), (15, 883757), (21, 631255), (35, 378753), (105, 126251), (191, 69405), (573, 23135), (661, 20055), (955, 13881), (1337, 9915), (1983, 6685), (2865, 4627), (3305, 4011)]