311286969

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{11681}}^1$

素因数の和:11747

約数の個数: 40

約数和(自身を含む): 542792448

約数和(自身を除く): 231505479

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 141, 189, 329, 423, 567, 987, 1269, 2961, 3807, 8883, 11681, 26649, 35043, 81767, 105129, 245301, 315387, 549007, 735903, 946161, 1647021, 2207709, 3843049, 4941063, 6623127, 11529147, 14823189, 34587441, 44469567, 103762323, 311286969]

約数ペア:

[(1, 311286969), (3, 103762323), (7, 44469567), (9, 34587441), (21, 14823189), (27, 11529147), (47, 6623127), (63, 4941063), (81, 3843049), (141, 2207709), (189, 1647021), (329, 946161), (423, 735903), (567, 549007), (987, 315387), (1269, 245301), (2961, 105129), (3807, 81767), (8883, 35043), (11681, 26649)]