78969807

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{20549}}^1$

素因数の和:20623

約数の個数: 24

約数和(自身を含む): 132506400

約数和(自身を除く): 53536593

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 20549, 61647, 143843, 184941, 431529, 1253489, 1294587, 3760467, 8774423, 11281401, 26323269, 78969807]

約数ペア:

[(1, 78969807), (3, 26323269), (7, 11281401), (9, 8774423), (21, 3760467), (61, 1294587), (63, 1253489), (183, 431529), (427, 184941), (549, 143843), (1281, 61647), (3843, 20549)]