30991257

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{1367}}^1$

素因数の和:1613

約数の個数: 24

約数和(自身を含む): 49083840

約数和(自身を除く): 18092583

約数列:

[1, 3, 9, 11, 33, 99, 229, 687, 1367, 2061, 2519, 4101, 7557, 12303, 15037, 22671, 45111, 135333, 313043, 939129, 2817387, 3443473, 10330419, 30991257]

約数ペア:

[(1, 30991257), (3, 10330419), (9, 3443473), (11, 2817387), (33, 939129), (99, 313043), (229, 135333), (687, 45111), (1367, 22671), (2061, 15037), (2519, 12303), (4101, 7557)]