207409815

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7213}}^1$

素因数の和:7301

約数の個数: 40

約数和(自身を含む): 377090208

約数和(自身を除く): 169680393

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 639, 1065, 1917, 3195, 5751, 7213, 9585, 21639, 28755, 36065, 64917, 108195, 194751, 324585, 512123, 584253, 973755, 1536369, 2560615, 2921265, 4609107, 7681845, 13827321, 23045535, 41481963, 69136605, 207409815]

約数ペア:

[(1, 207409815), (3, 69136605), (5, 41481963), (9, 23045535), (15, 13827321), (27, 7681845), (45, 4609107), (71, 2921265), (81, 2560615), (135, 1536369), (213, 973755), (355, 584253), (405, 512123), (639, 324585), (1065, 194751), (1917, 108195), (3195, 64917), (5751, 36065), (7213, 28755), (9585, 21639)]