201854919

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{2081}}^1$

素因数の和:2271

約数の個数: 32

約数和(自身を含む): 319795200

約数和(自身を除く): 117940281

約数列:

[1, 3, 7, 21, 31, 93, 149, 217, 447, 651, 1043, 2081, 3129, 4619, 6243, 13857, 14567, 32333, 43701, 64511, 96999, 193533, 310069, 451577, 930207, 1354731, 2170483, 6511449, 9612139, 28836417, 67284973, 201854919]

約数ペア:

[(1, 201854919), (3, 67284973), (7, 28836417), (21, 9612139), (31, 6511449), (93, 2170483), (149, 1354731), (217, 930207), (447, 451577), (651, 310069), (1043, 193533), (2081, 96999), (3129, 64511), (4619, 43701), (6243, 32333), (13857, 14567)]