74778921

素因数分解:

$3^2\times 7^1\times {\mathrm{557}}^1\times {\mathrm{2131}}^1$

素因数の和:2701

約数の個数: 24

約数和(自身を含む): 123724224

約数和(自身を除く): 48945303

約数列:

[1, 3, 7, 9, 21, 63, 557, 1671, 2131, 3899, 5013, 6393, 11697, 14917, 19179, 35091, 44751, 134253, 1186967, 3560901, 8308769, 10682703, 24926307, 74778921]

約数ペア:

[(1, 74778921), (3, 24926307), (7, 10682703), (9, 8308769), (21, 3560901), (63, 1186967), (557, 134253), (1671, 44751), (2131, 35091), (3899, 19179), (5013, 14917), (6393, 11697)]