28090371

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 12552189

約数列:

[1, 3, 31, 41, 53, 93, 123, 139, 159, 417, 1271, 1643, 2173, 3813, 4309, 4929, 5699, 6519, 7367, 12927, 17097, 22101, 67363, 176669, 202089, 228377, 302047, 530007, 685131, 906141, 9363457, 28090371]

約数ペア:

[(1, 28090371), (3, 9363457), (31, 906141), (41, 685131), (53, 530007), (93, 302047), (123, 228377), (139, 202089), (159, 176669), (417, 67363), (1271, 22101), (1643, 17097), (2173, 12927), (3813, 7367), (4309, 6519), (4929, 5699)]