147159999

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 249537600

約数和(自身を除く): 102377601

約数列:

[1, 3, 7, 9, 21, 61, 63, 149, 183, 257, 427, 447, 549, 771, 1043, 1281, 1341, 1799, 2313, 3129, 3843, 5397, 9089, 9387, 15677, 16191, 27267, 38293, 47031, 63623, 81801, 109739, 114879, 141093, 190869, 268051, 329217, 344637, 572607, 804153, 987651, 2335873, 2412459, 7007619, 16351111, 21022857, 49053333, 147159999]

約数ペア:

[(1, 147159999), (3, 49053333), (7, 21022857), (9, 16351111), (21, 7007619), (61, 2412459), (63, 2335873), (149, 987651), (183, 804153), (257, 572607), (427, 344637), (447, 329217), (549, 268051), (771, 190869), (1043, 141093), (1281, 114879), (1341, 109739), (1799, 81801), (2313, 63623), (3129, 47031), (3843, 38293), (5397, 27267), (9089, 16191), (9387, 15677)]