128207637

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{2243}}^1$

素因数の和:2354

約数の個数: 32

約数和(自身を含む): 199267200

約数和(自身を除く): 71059563

約数列:

[1, 3, 9, 27, 29, 73, 87, 219, 261, 657, 783, 1971, 2117, 2243, 6351, 6729, 19053, 20187, 57159, 60561, 65047, 163739, 195141, 491217, 585423, 1473651, 1756269, 4420953, 4748431, 14245293, 42735879, 128207637]

約数ペア:

[(1, 128207637), (3, 42735879), (9, 14245293), (27, 4748431), (29, 4420953), (73, 1756269), (87, 1473651), (219, 585423), (261, 491217), (657, 195141), (783, 163739), (1971, 65047), (2117, 60561), (2243, 57159), (6351, 20187), (6729, 19053)]