28873557

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 44520960

約数和(自身を除く): 15647403

約数列:

[1, 3, 9, 27, 47, 61, 141, 183, 373, 423, 549, 1119, 1269, 1647, 2867, 3357, 8601, 10071, 17531, 22753, 25803, 52593, 68259, 77409, 157779, 204777, 473337, 614331, 1069391, 3208173, 9624519, 28873557]

約数ペア:

[(1, 28873557), (3, 9624519), (9, 3208173), (27, 1069391), (47, 614331), (61, 473337), (141, 204777), (183, 157779), (373, 77409), (423, 68259), (549, 52593), (1119, 25803), (1269, 22753), (1647, 17531), (2867, 10071), (3357, 8601)]