156199323

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{1109}}^1$

素因数の和:1491

約数の個数: 32

約数和(自身を含む): 251481600

約数和(自身を除く): 95282277

約数列:

[1, 3, 7, 19, 21, 57, 133, 353, 399, 1059, 1109, 2471, 3327, 6707, 7413, 7763, 20121, 21071, 23289, 46949, 63213, 140847, 147497, 391477, 442491, 1174431, 2740339, 7438063, 8221017, 22314189, 52066441, 156199323]

約数ペア:

[(1, 156199323), (3, 52066441), (7, 22314189), (19, 8221017), (21, 7438063), (57, 2740339), (133, 1174431), (353, 442491), (399, 391477), (1059, 147497), (1109, 140847), (2471, 63213), (3327, 46949), (6707, 23289), (7413, 21071), (7763, 20121)]