287688621

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1\times {\mathrm{431}}^1$

素因数の和:737

約数の個数: 32

約数和(自身を含む): 425502720

約数和(自身を除く): 137814099

約数列:

[1, 3, 11, 33, 113, 179, 339, 431, 537, 1243, 1293, 1969, 3729, 4741, 5907, 14223, 20227, 48703, 60681, 77149, 146109, 222497, 231447, 535733, 667491, 848639, 1607199, 2545917, 8717837, 26153511, 95896207, 287688621]

約数ペア:

[(1, 287688621), (3, 95896207), (11, 26153511), (33, 8717837), (113, 2545917), (179, 1607199), (339, 848639), (431, 667491), (537, 535733), (1243, 231447), (1293, 222497), (1969, 146109), (3729, 77149), (4741, 60681), (5907, 48703), (14223, 20227)]