2140551

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 3597984

約数和(自身を除く): 1457433

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 557, 1281, 1671, 3843, 3899, 5013, 11697, 33977, 35091, 101931, 237839, 305793, 713517, 2140551]

約数ペア:

[(1, 2140551), (3, 713517), (7, 305793), (9, 237839), (21, 101931), (61, 35091), (63, 33977), (183, 11697), (427, 5013), (549, 3899), (557, 3843), (1281, 1671)]