42205671

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 64819200

約数和(自身を除く): 22613529

約数列:

[1, 3, 9, 27, 47, 79, 141, 237, 421, 423, 711, 1263, 1269, 2133, 3713, 3789, 11139, 11367, 19787, 33259, 33417, 59361, 99777, 100251, 178083, 299331, 534249, 897993, 1563173, 4689519, 14068557, 42205671]

約数ペア:

[(1, 42205671), (3, 14068557), (9, 4689519), (27, 1563173), (47, 897993), (79, 534249), (141, 299331), (237, 178083), (421, 100251), (423, 99777), (711, 59361), (1263, 33417), (1269, 33259), (2133, 19787), (3713, 11367), (3789, 11139)]