31012605

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:499

約数の個数: 64

約数和(自身を含む): 60963840

約数和(自身を除く): 29951235

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 41, 45, 65, 117, 123, 135, 195, 205, 351, 369, 431, 533, 585, 615, 1107, 1293, 1599, 1755, 1845, 2155, 2665, 3879, 4797, 5535, 5603, 6465, 7995, 11637, 14391, 16809, 17671, 19395, 23985, 28015, 50427, 53013, 58185, 71955, 84045, 88355, 151281, 159039, 229723, 252135, 265065, 477117, 689169, 756405, 795195, 1148615, 2067507, 2385585, 3445845, 6202521, 10337535, 31012605]

約数ペア:

[(1, 31012605), (3, 10337535), (5, 6202521), (9, 3445845), (13, 2385585), (15, 2067507), (27, 1148615), (39, 795195), (41, 756405), (45, 689169), (65, 477117), (117, 265065), (123, 252135), (135, 229723), (195, 159039), (205, 151281), (351, 88355), (369, 84045), (431, 71955), (533, 58185), (585, 53013), (615, 50427), (1107, 28015), (1293, 23985), (1599, 19395), (1755, 17671), (1845, 16809), (2155, 14391), (2665, 11637), (3879, 7995), (4797, 6465), (5535, 5603)]