2189780355

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{23459}}^1$

素因数の和:23608

約数の個数: 48

約数和(自身を含む): 4107939840

約数和(自身を除く): 1918159485

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 127, 147, 245, 381, 635, 735, 889, 1905, 2667, 4445, 6223, 13335, 18669, 23459, 31115, 70377, 93345, 117295, 164213, 351885, 492639, 821065, 1149491, 2463195, 2979293, 3448473, 5747455, 8937879, 14896465, 17242365, 20855051, 44689395, 62565153, 104275255, 145985357, 312825765, 437956071, 729926785, 2189780355]

約数ペア:

[(1, 2189780355), (3, 729926785), (5, 437956071), (7, 312825765), (15, 145985357), (21, 104275255), (35, 62565153), (49, 44689395), (105, 20855051), (127, 17242365), (147, 14896465), (245, 8937879), (381, 5747455), (635, 3448473), (735, 2979293), (889, 2463195), (1905, 1149491), (2667, 821065), (4445, 492639), (6223, 351885), (13335, 164213), (18669, 117295), (23459, 93345), (31115, 70377)]