51902421

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 74680320

約数和(自身を除く): 22777899

約数列:

[1, 3, 23, 67, 69, 103, 109, 201, 309, 327, 1541, 2369, 2507, 4623, 6901, 7107, 7303, 7521, 11227, 20703, 21909, 33681, 158723, 167969, 258221, 476169, 503907, 752209, 774663, 2256627, 17300807, 51902421]

約数ペア:

[(1, 51902421), (3, 17300807), (23, 2256627), (67, 774663), (69, 752209), (103, 503907), (109, 476169), (201, 258221), (309, 167969), (327, 158723), (1541, 33681), (2369, 21909), (2507, 20703), (4623, 11227), (6901, 7521), (7107, 7303)]