18029907

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{541}}^1$

素因数の和:600

約数の個数: 36

約数和(自身を含む): 31171504

約数和(自身を除く): 13141597

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 529, 541, 1449, 1587, 1623, 3703, 3787, 4761, 4869, 11109, 11361, 12443, 33327, 34083, 37329, 87101, 111987, 261303, 286189, 783909, 858567, 2003323, 2575701, 6009969, 18029907]

約数ペア:

[(1, 18029907), (3, 6009969), (7, 2575701), (9, 2003323), (21, 858567), (23, 783909), (63, 286189), (69, 261303), (161, 111987), (207, 87101), (483, 37329), (529, 34083), (541, 33327), (1449, 12443), (1587, 11361), (1623, 11109), (3703, 4869), (3787, 4761)]