23431185

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 43552080

約数和(自身を除く): 20120895

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 109, 153, 255, 281, 327, 545, 765, 843, 981, 1405, 1635, 1853, 2529, 4215, 4777, 4905, 5559, 9265, 12645, 14331, 16677, 23885, 27795, 30629, 42993, 71655, 83385, 91887, 153145, 214965, 275661, 459435, 520693, 1378305, 1562079, 2603465, 4686237, 7810395, 23431185]

約数ペア:

[(1, 23431185), (3, 7810395), (5, 4686237), (9, 2603465), (15, 1562079), (17, 1378305), (45, 520693), (51, 459435), (85, 275661), (109, 214965), (153, 153145), (255, 91887), (281, 83385), (327, 71655), (545, 42993), (765, 30629), (843, 27795), (981, 23885), (1405, 16677), (1635, 14331), (1853, 12645), (2529, 9265), (4215, 5559), (4777, 4905)]