71394981

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{821}}^1$

素因数の和:973

約数の個数: 32

約数和(自身を含む): 112686336

約数和(自身を除く): 41291355

約数列:

[1, 3, 7, 21, 41, 101, 123, 287, 303, 707, 821, 861, 2121, 2463, 4141, 5747, 12423, 17241, 28987, 33661, 82921, 86961, 100983, 235627, 248763, 580447, 706881, 1741341, 3399761, 10199283, 23798327, 71394981]

約数ペア:

[(1, 71394981), (3, 23798327), (7, 10199283), (21, 3399761), (41, 1741341), (101, 706881), (123, 580447), (287, 248763), (303, 235627), (707, 100983), (821, 86961), (861, 82921), (2121, 33661), (2463, 28987), (4141, 17241), (5747, 12423)]