18428283

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:304

約数の個数: 32

約数和(自身を含む): 28331520

約数和(自身を除く): 9903237

約数列:

[1, 3, 9, 27, 61, 67, 167, 183, 201, 501, 549, 603, 1503, 1647, 1809, 4087, 4509, 10187, 11189, 12261, 30561, 33567, 36783, 91683, 100701, 110349, 275049, 302103, 682529, 2047587, 6142761, 18428283]

約数ペア:

[(1, 18428283), (3, 6142761), (9, 2047587), (27, 682529), (61, 302103), (67, 275049), (167, 110349), (183, 100701), (201, 91683), (501, 36783), (549, 33567), (603, 30561), (1503, 12261), (1647, 11189), (1809, 10187), (4087, 4509)]