157209921

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{20101}}^1$

素因数の和:20197

約数の個数: 24

約数和(自身を含む): 250872960

約数和(自身を除く): 93663039

約数列:

[1, 3, 9, 11, 33, 79, 99, 237, 711, 869, 2607, 7821, 20101, 60303, 180909, 221111, 663333, 1587979, 1989999, 4763937, 14291811, 17467769, 52403307, 157209921]

約数ペア:

[(1, 157209921), (3, 52403307), (9, 17467769), (11, 14291811), (33, 4763937), (79, 1989999), (99, 1587979), (237, 663333), (711, 221111), (869, 180909), (2607, 60303), (7821, 20101)]