81137735

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 114296832

約数和(自身を除く): 33159097

約数列:

[1, 5, 7, 35, 71, 103, 317, 355, 497, 515, 721, 1585, 2219, 2485, 3605, 7313, 11095, 22507, 32651, 36565, 51191, 112535, 157549, 163255, 228557, 255955, 787745, 1142785, 2318221, 11591105, 16227547, 81137735]

約数ペア:

[(1, 81137735), (5, 16227547), (7, 11591105), (35, 2318221), (71, 1142785), (103, 787745), (317, 255955), (355, 228557), (497, 163255), (515, 157549), (721, 112535), (1585, 51191), (2219, 36565), (2485, 32651), (3605, 22507), (7313, 11095)]