201421329

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 281232000

約数和(自身を除く): 79810671

約数列:

[1, 3, 61, 83, 89, 149, 183, 249, 267, 447, 5063, 5429, 7387, 9089, 12367, 13261, 15189, 16287, 22161, 27267, 37101, 39783, 450607, 754387, 808921, 1100663, 1351821, 2263161, 2426763, 3301989, 67140443, 201421329]

約数ペア:

[(1, 201421329), (3, 67140443), (61, 3301989), (83, 2426763), (89, 2263161), (149, 1351821), (183, 1100663), (249, 808921), (267, 754387), (447, 450607), (5063, 39783), (5429, 37101), (7387, 27267), (9089, 22161), (12367, 16287), (13261, 15189)]