31412745

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2557}}^1$

素因数の和:2591

約数の個数: 64

約数和(自身を含む): 68759040

約数和(自身を除く): 37346295

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 63, 65, 91, 105, 117, 135, 189, 195, 273, 315, 351, 455, 585, 819, 945, 1365, 1755, 2457, 2557, 4095, 7671, 12285, 12785, 17899, 23013, 33241, 38355, 53697, 69039, 89495, 99723, 115065, 161091, 166205, 232687, 268485, 299169, 345195, 483273, 498615, 698061, 805455, 897507, 1163435, 1495845, 2094183, 2416365, 3490305, 4487535, 6282549, 10470915, 31412745]

約数ペア:

[(1, 31412745), (3, 10470915), (5, 6282549), (7, 4487535), (9, 3490305), (13, 2416365), (15, 2094183), (21, 1495845), (27, 1163435), (35, 897507), (39, 805455), (45, 698061), (63, 498615), (65, 483273), (91, 345195), (105, 299169), (117, 268485), (135, 232687), (189, 166205), (195, 161091), (273, 115065), (315, 99723), (351, 89495), (455, 69039), (585, 53697), (819, 38355), (945, 33241), (1365, 23013), (1755, 17899), (2457, 12785), (2557, 12285), (4095, 7671)]