81863406

素因数分解:

$2^1\times 3^3\times {\mathrm{1515989}}^1$

素因数の和:1516000

約数の個数: 16

約数和(自身を含む): 181918800

約数和(自身を除く): 100055394

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1515989, 3031978, 4547967, 9095934, 13643901, 27287802, 40931703, 81863406]

約数ペア:

[(1, 81863406), (2, 40931703), (3, 27287802), (6, 13643901), (9, 9095934), (18, 4547967), (27, 3031978), (54, 1515989)]