201898305

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{213649}}^1$

素因数の和:213670

約数の個数: 32

約数和(自身を含む): 410208000

約数和(自身を除く): 208309695

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 213649, 640947, 1068245, 1495543, 1922841, 3204735, 4486629, 5768523, 7477715, 9614205, 13459887, 22433145, 28842615, 40379661, 67299435, 201898305]

約数ペア:

[(1, 201898305), (3, 67299435), (5, 40379661), (7, 28842615), (9, 22433145), (15, 13459887), (21, 9614205), (27, 7477715), (35, 5768523), (45, 4486629), (63, 3204735), (105, 1922841), (135, 1495543), (189, 1068245), (315, 640947), (945, 213649)]