421710015

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1\times {\mathrm{787}}^1$

素因数の和:1191

約数の個数: 32

約数和(自身を含む): 683101440

約数和(自身を除く): 261391425

約数列:

[1, 3, 5, 15, 139, 257, 417, 695, 771, 787, 1285, 2085, 2361, 3855, 3935, 11805, 35723, 107169, 109393, 178615, 202259, 328179, 535845, 546965, 606777, 1011295, 1640895, 3033885, 28114001, 84342003, 140570005, 421710015]

約数ペア:

[(1, 421710015), (3, 140570005), (5, 84342003), (15, 28114001), (139, 3033885), (257, 1640895), (417, 1011295), (695, 606777), (771, 546965), (787, 535845), (1285, 328179), (2085, 202259), (2361, 178615), (3855, 109393), (3935, 107169), (11805, 35723)]