201215931

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1\times {\mathrm{521}}^1$

素因数の和:931

約数の個数: 32

約数和(自身を含む): 313901568

約数和(自身を除く): 112685637

約数列:

[1, 3, 7, 21, 53, 159, 347, 371, 521, 1041, 1113, 1563, 2429, 3647, 7287, 10941, 18391, 27613, 55173, 82839, 128737, 180787, 193291, 386211, 542361, 579873, 1265509, 3796527, 9581711, 28745133, 67071977, 201215931]

約数ペア:

[(1, 201215931), (3, 67071977), (7, 28745133), (21, 9581711), (53, 3796527), (159, 1265509), (347, 579873), (371, 542361), (521, 386211), (1041, 193291), (1113, 180787), (1563, 128737), (2429, 82839), (3647, 55173), (7287, 27613), (10941, 18391)]