81393321

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{631}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 119726080

約数和(自身を除く): 38332759

約数列:

[1, 3, 19, 31, 57, 73, 93, 219, 589, 631, 1387, 1767, 1893, 2263, 4161, 6789, 11989, 19561, 35967, 42997, 46063, 58683, 128991, 138189, 371659, 875197, 1114977, 1427953, 2625591, 4283859, 27131107, 81393321]

約数ペア:

[(1, 81393321), (3, 27131107), (19, 4283859), (31, 2625591), (57, 1427953), (73, 1114977), (93, 875197), (219, 371659), (589, 138189), (631, 128991), (1387, 58683), (1767, 46063), (1893, 42997), (2263, 35967), (4161, 19561), (6789, 11989)]