23409765

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 43670016

約数和(自身を除く): 20260251

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 71, 85, 153, 213, 255, 355, 431, 639, 765, 1065, 1207, 1293, 2155, 3195, 3621, 3879, 6035, 6465, 7327, 10863, 18105, 19395, 21981, 30601, 36635, 54315, 65943, 91803, 109905, 153005, 275409, 329715, 459015, 520217, 1377045, 1560651, 2601085, 4681953, 7803255, 23409765]

約数ペア:

[(1, 23409765), (3, 7803255), (5, 4681953), (9, 2601085), (15, 1560651), (17, 1377045), (45, 520217), (51, 459015), (71, 329715), (85, 275409), (153, 153005), (213, 109905), (255, 91803), (355, 65943), (431, 54315), (639, 36635), (765, 30601), (1065, 21981), (1207, 19395), (1293, 18105), (2155, 10863), (3195, 7327), (3621, 6465), (3879, 6035)]