217531185

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{7669}}^1$

素因数の和:7769

約数の個数: 32

約数和(自身を含む): 365214720

約数和(自身を除く): 147683535

約数列:

[1, 3, 5, 15, 31, 61, 93, 155, 183, 305, 465, 915, 1891, 5673, 7669, 9455, 23007, 28365, 38345, 115035, 237739, 467809, 713217, 1188695, 1403427, 2339045, 3566085, 7017135, 14502079, 43506237, 72510395, 217531185]

約数ペア:

[(1, 217531185), (3, 72510395), (5, 43506237), (15, 14502079), (31, 7017135), (61, 3566085), (93, 2339045), (155, 1403427), (183, 1188695), (305, 713217), (465, 467809), (915, 237739), (1891, 115035), (5673, 38345), (7669, 28365), (9455, 23007)]