31129527

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{487}}^1$

素因数の和:663

約数の個数: 32

約数和(自身を含む): 49190400

約数和(自身を除く): 18060873

約数列:

[1, 3, 11, 13, 33, 39, 143, 149, 429, 447, 487, 1461, 1639, 1937, 4917, 5357, 5811, 6331, 16071, 18993, 21307, 63921, 69641, 72563, 208923, 217689, 798193, 943319, 2394579, 2829957, 10376509, 31129527]

約数ペア:

[(1, 31129527), (3, 10376509), (11, 2829957), (13, 2394579), (33, 943319), (39, 798193), (143, 217689), (149, 208923), (429, 72563), (447, 69641), (487, 63921), (1461, 21307), (1639, 18993), (1937, 16071), (4917, 6331), (5357, 5811)]