12256515

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:641

約数の個数: 40

約数和(自身を含む): 22424688

約数和(自身を除く): 10168173

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 265, 405, 477, 571, 795, 1431, 1713, 2385, 2855, 4293, 5139, 7155, 8565, 15417, 21465, 25695, 30263, 46251, 77085, 90789, 151315, 231255, 272367, 453945, 817101, 1361835, 2451303, 4085505, 12256515]

約数ペア:

[(1, 12256515), (3, 4085505), (5, 2451303), (9, 1361835), (15, 817101), (27, 453945), (45, 272367), (53, 231255), (81, 151315), (135, 90789), (159, 77085), (265, 46251), (405, 30263), (477, 25695), (571, 21465), (795, 15417), (1431, 8565), (1713, 7155), (2385, 5139), (2855, 4293)]