18687172257

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{106693}}^1$

素因数の和:107214

約数の個数: 32

約数和(自身を含む): 29874320000

約数和(自身を除く): 11187147743

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 499, 1497, 4491, 6487, 13473, 19461, 58383, 106693, 175149, 320079, 960237, 1387009, 2880711, 4161027, 12483081, 37449243, 53239807, 159719421, 479158263, 692117491, 1437474789, 2076352473, 6229057419, 18687172257]

約数ペア:

[(1, 18687172257), (3, 6229057419), (9, 2076352473), (13, 1437474789), (27, 692117491), (39, 479158263), (117, 159719421), (351, 53239807), (499, 37449243), (1497, 12483081), (4491, 4161027), (6487, 2880711), (13473, 1387009), (19461, 960237), (58383, 320079), (106693, 175149)]