6421653

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:634

約数の個数: 32

約数和(自身を含む): 11070720

約数和(自身を除く): 4649067

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 183, 189, 427, 549, 557, 1281, 1647, 1671, 3843, 3899, 5013, 11529, 11697, 15039, 33977, 35091, 101931, 105273, 237839, 305793, 713517, 917379, 2140551, 6421653]

約数ペア:

[(1, 6421653), (3, 2140551), (7, 917379), (9, 713517), (21, 305793), (27, 237839), (61, 105273), (63, 101931), (183, 35091), (189, 33977), (427, 15039), (549, 11697), (557, 11529), (1281, 5013), (1647, 3899), (1671, 3843)]