15984927

素因数分解:

$3^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{541}}^1$

素因数の和:628

約数の個数: 36

約数和(自身を含む): 27310296

約数和(自身を除く): 11325369

約数列:

[1, 3, 7, 9, 21, 49, 63, 67, 147, 201, 441, 469, 541, 603, 1407, 1623, 3283, 3787, 4221, 4869, 9849, 11361, 26509, 29547, 34083, 36247, 79527, 108741, 238581, 253729, 326223, 761187, 1776103, 2283561, 5328309, 15984927]

約数ペア:

[(1, 15984927), (3, 5328309), (7, 2283561), (9, 1776103), (21, 761187), (49, 326223), (63, 253729), (67, 238581), (147, 108741), (201, 79527), (441, 36247), (469, 34083), (541, 29547), (603, 26509), (1407, 11361), (1623, 9849), (3283, 4869), (3787, 4221)]