15717741

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 24208128

約数和(自身を除く): 8490387

約数列:

[1, 3, 13, 17, 39, 51, 151, 157, 221, 453, 471, 663, 1963, 2041, 2567, 2669, 5889, 6123, 7701, 8007, 23707, 33371, 34697, 71121, 100113, 104091, 308191, 403019, 924573, 1209057, 5239247, 15717741]

約数ペア:

[(1, 15717741), (3, 5239247), (13, 1209057), (17, 924573), (39, 403019), (51, 308191), (151, 104091), (157, 100113), (221, 71121), (453, 34697), (471, 33371), (663, 23707), (1963, 8007), (2041, 7701), (2567, 6123), (2669, 5889)]