15660621

素因数分解:

$3^5\times {\mathrm{17}}^2\times {\mathrm{223}}^1$

素因数の和:272

約数の個数: 36

約数和(自身を含む): 25031552

約数和(自身を除く): 9370931

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 223, 243, 289, 459, 669, 867, 1377, 2007, 2601, 3791, 4131, 6021, 7803, 11373, 18063, 23409, 34119, 54189, 64447, 70227, 102357, 193341, 307071, 580023, 921213, 1740069, 5220207, 15660621]

約数ペア:

[(1, 15660621), (3, 5220207), (9, 1740069), (17, 921213), (27, 580023), (51, 307071), (81, 193341), (153, 102357), (223, 70227), (243, 64447), (289, 54189), (459, 34119), (669, 23409), (867, 18063), (1377, 11373), (2007, 7803), (2601, 6021), (3791, 4131)]