208156785

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{19463}}^1$

素因数の和:19525

約数の個数: 32

約数和(自身を含む): 358760448

約数和(自身を除く): 150603663

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 345, 465, 713, 2139, 3565, 10695, 19463, 58389, 97315, 291945, 447649, 603353, 1342947, 1810059, 2238245, 3016765, 6714735, 9050295, 13877119, 41631357, 69385595, 208156785]

約数ペア:

[(1, 208156785), (3, 69385595), (5, 41631357), (15, 13877119), (23, 9050295), (31, 6714735), (69, 3016765), (93, 2238245), (115, 1810059), (155, 1342947), (345, 603353), (465, 447649), (713, 291945), (2139, 97315), (3565, 58389), (10695, 19463)]