201849909

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 286792704

約数和(自身を除く): 84942795

約数列:

[1, 3, 23, 69, 131, 137, 163, 393, 411, 489, 3013, 3151, 3749, 9039, 9453, 11247, 17947, 21353, 22331, 53841, 64059, 66993, 412781, 491119, 513613, 1238343, 1473357, 1540839, 2925361, 8776083, 67283303, 201849909]

約数ペア:

[(1, 201849909), (3, 67283303), (23, 8776083), (69, 2925361), (131, 1540839), (137, 1473357), (163, 1238343), (393, 513613), (411, 491119), (489, 412781), (3013, 66993), (3151, 64059), (3749, 53841), (9039, 22331), (9453, 21353), (11247, 17947)]