401023329

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1005071}}^1$

素因数の和:1005100

約数の個数: 16

約数和(自身を含む): 643246080

約数和(自身を除く): 242222751

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 1005071, 3015213, 7035497, 19096349, 21106491, 57289047, 133674443, 401023329]

約数ペア:

[(1, 401023329), (3, 133674443), (7, 57289047), (19, 21106491), (21, 19096349), (57, 7035497), (133, 3015213), (399, 1005071)]