40802049

素因数分解:

$3^4\times {\mathrm{197}}^1\times {\mathrm{2557}}^1$

素因数の和:2766

約数の個数: 20

約数和(自身を含む): 61284564

約数和(自身を除く): 20482515

約数列:

[1, 3, 9, 27, 81, 197, 591, 1773, 2557, 5319, 7671, 15957, 23013, 69039, 207117, 503729, 1511187, 4533561, 13600683, 40802049]

約数ペア:

[(1, 40802049), (3, 13600683), (9, 4533561), (27, 1511187), (81, 503729), (197, 207117), (591, 69039), (1773, 23013), (2557, 15957), (5319, 7671)]