321400005

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{1657}}^1$

素因数の和:1925

約数の個数: 32

約数和(自身を含む): 524936064

約数和(自身を除く): 203536059

約数列:

[1, 3, 5, 15, 67, 193, 201, 335, 579, 965, 1005, 1657, 2895, 4971, 8285, 12931, 24855, 38793, 64655, 111019, 193965, 319801, 333057, 555095, 959403, 1599005, 1665285, 4797015, 21426667, 64280001, 107133335, 321400005]

約数ペア:

[(1, 321400005), (3, 107133335), (5, 64280001), (15, 21426667), (67, 4797015), (193, 1665285), (201, 1599005), (335, 959403), (579, 555095), (965, 333057), (1005, 319801), (1657, 193965), (2895, 111019), (4971, 64655), (8285, 38793), (12931, 24855)]