68720865

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{661}}^1$

素因数の和:937

約数の個数: 32

約数和(自身を含む): 114393600

約数和(自身を除く): 45672735

約数列:

[1, 3, 5, 15, 29, 87, 145, 239, 435, 661, 717, 1195, 1983, 3305, 3585, 6931, 9915, 19169, 20793, 34655, 57507, 95845, 103965, 157979, 287535, 473937, 789895, 2369685, 4581391, 13744173, 22906955, 68720865]

約数ペア:

[(1, 68720865), (3, 22906955), (5, 13744173), (15, 4581391), (29, 2369685), (87, 789895), (145, 473937), (239, 287535), (435, 157979), (661, 103965), (717, 95845), (1195, 57507), (1983, 34655), (3305, 20793), (3585, 19169), (6931, 9915)]