201666105

素因数分解:

$3^4\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1109}}^1$

素因数の和:1575

約数の個数: 40

約数和(自身を含む): 362637000

約数和(自身を除く): 160970895

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 449, 1109, 1347, 2245, 3327, 4041, 5545, 6735, 9981, 12123, 16635, 20205, 29943, 36369, 49905, 60615, 89829, 149715, 181845, 449145, 497941, 1493823, 2489705, 4481469, 7469115, 13444407, 22407345, 40333221, 67222035, 201666105]

約数ペア:

[(1, 201666105), (3, 67222035), (5, 40333221), (9, 22407345), (15, 13444407), (27, 7469115), (45, 4481469), (81, 2489705), (135, 1493823), (405, 497941), (449, 449145), (1109, 181845), (1347, 149715), (2245, 89829), (3327, 60615), (4041, 49905), (5545, 36369), (6735, 29943), (9981, 20205), (12123, 16635)]