201992715

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{751}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 361320960

約数和(自身を除く): 159328245

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 139, 215, 387, 417, 645, 695, 751, 1251, 1935, 2085, 2253, 3755, 5977, 6255, 6759, 11265, 17931, 29885, 32293, 33795, 53793, 89655, 96879, 104389, 161465, 268965, 290637, 313167, 484395, 521945, 939501, 1453185, 1565835, 4488727, 4697505, 13466181, 22443635, 40398543, 67330905, 201992715]

約数ペア:

[(1, 201992715), (3, 67330905), (5, 40398543), (9, 22443635), (15, 13466181), (43, 4697505), (45, 4488727), (129, 1565835), (139, 1453185), (215, 939501), (387, 521945), (417, 484395), (645, 313167), (695, 290637), (751, 268965), (1251, 161465), (1935, 104389), (2085, 96879), (2253, 89655), (3755, 53793), (5977, 33795), (6255, 32293), (6759, 29885), (11265, 17931)]