661121131

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{12503}}^1$

素因数の和:12567

約数の個数: 24

約数和(自身を含む): 798255360

約数和(自身を除く): 137134229

約数列:

[1, 11, 19, 23, 121, 209, 253, 437, 2299, 2783, 4807, 12503, 52877, 137533, 237557, 287569, 1512863, 2613127, 3163259, 5463811, 28744397, 34795849, 60101921, 661121131]

約数ペア:

[(1, 661121131), (11, 60101921), (19, 34795849), (23, 28744397), (121, 5463811), (209, 3163259), (253, 2613127), (437, 1512863), (2299, 287569), (2783, 237557), (4807, 137533), (12503, 52877)]