157216545

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20431}}^1$

素因数の和:20467

約数の個数: 40

約数和(自身を含む): 296672640

約数和(自身を除く): 139456095

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2565, 7695, 20431, 61293, 102155, 183879, 306465, 388189, 551637, 919395, 1164567, 1654911, 1940945, 2758185, 3493701, 5822835, 8274555, 10481103, 17468505, 31443309, 52405515, 157216545]

約数ペア:

[(1, 157216545), (3, 52405515), (5, 31443309), (9, 17468505), (15, 10481103), (19, 8274555), (27, 5822835), (45, 3493701), (57, 2758185), (81, 1940945), (95, 1654911), (135, 1164567), (171, 919395), (285, 551637), (405, 388189), (513, 306465), (855, 183879), (1539, 102155), (2565, 61293), (7695, 20431)]