291400809

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{1031}}^1$

素因数の和:1397

約数の個数: 32

約数和(自身を含む): 456259584

約数和(自身を除く): 164858775

約数列:

[1, 3, 7, 21, 43, 129, 301, 313, 903, 939, 1031, 2191, 3093, 6573, 7217, 13459, 21651, 40377, 44333, 94213, 132999, 282639, 310331, 322703, 930993, 968109, 2258921, 6776763, 13876229, 41628687, 97133603, 291400809]

約数ペア:

[(1, 291400809), (3, 97133603), (7, 41628687), (21, 13876229), (43, 6776763), (129, 2258921), (301, 968109), (313, 930993), (903, 322703), (939, 310331), (1031, 282639), (2191, 132999), (3093, 94213), (6573, 44333), (7217, 40377), (13459, 21651)]