15511721979

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{19687}}^1$

素因数の和:20019

約数の個数: 32

約数和(自身を含む): 22623874560

約数和(自身を除く): 7112152581

約数列:

[1, 3, 13, 39, 89, 227, 267, 681, 1157, 2951, 3471, 8853, 19687, 20203, 59061, 60609, 255931, 262639, 767793, 787917, 1752143, 4468949, 5256429, 13406847, 22777859, 58096337, 68333577, 174289011, 397736461, 1193209383, 5170573993, 15511721979]

約数ペア:

[(1, 15511721979), (3, 5170573993), (13, 1193209383), (39, 397736461), (89, 174289011), (227, 68333577), (267, 58096337), (681, 22777859), (1157, 13406847), (2951, 5256429), (3471, 4468949), (8853, 1752143), (19687, 787917), (20203, 767793), (59061, 262639), (60609, 255931)]