13261563

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1231}}^1$

素因数の和:1269

約数の個数: 40

約数和(自身を含む): 23851520

約数和(自身を除く): 10589957

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 399, 513, 567, 1197, 1231, 1539, 3591, 3693, 8617, 10773, 11079, 23389, 25851, 33237, 70167, 77553, 99711, 163723, 210501, 232659, 491169, 631503, 697977, 1473507, 1894509, 4420521, 13261563]

約数ペア:

[(1, 13261563), (3, 4420521), (7, 1894509), (9, 1473507), (19, 697977), (21, 631503), (27, 491169), (57, 232659), (63, 210501), (81, 163723), (133, 99711), (171, 77553), (189, 70167), (399, 33237), (513, 25851), (567, 23389), (1197, 11079), (1231, 10773), (1539, 8617), (3591, 3693)]