17999631

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2699}}^1$

素因数の和:2740

約数の個数: 32

約数和(自身を含む): 30240000

約数和(自身を除く): 12240369

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 351, 513, 741, 2223, 2699, 6669, 8097, 24291, 35087, 51281, 72873, 105261, 153843, 315783, 461529, 666653, 947349, 1384587, 1999959, 5999877, 17999631]

約数ペア:

[(1, 17999631), (3, 5999877), (9, 1999959), (13, 1384587), (19, 947349), (27, 666653), (39, 461529), (57, 315783), (117, 153843), (171, 105261), (247, 72873), (351, 51281), (513, 35087), (741, 24291), (2223, 8097), (2699, 6669)]