75521979

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{641}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 126191520

約数和(自身を除く): 50669541

約数列:

[1, 3, 9, 13, 19, 39, 53, 57, 117, 159, 171, 247, 477, 641, 689, 741, 1007, 1923, 2067, 2223, 3021, 5769, 6201, 8333, 9063, 12179, 13091, 24999, 33973, 36537, 39273, 74997, 101919, 109611, 117819, 158327, 305757, 441649, 474981, 645487, 1324947, 1424943, 1936461, 3974841, 5809383, 8391331, 25173993, 75521979]

約数ペア:

[(1, 75521979), (3, 25173993), (9, 8391331), (13, 5809383), (19, 3974841), (39, 1936461), (53, 1424943), (57, 1324947), (117, 645487), (159, 474981), (171, 441649), (247, 305757), (477, 158327), (641, 117819), (689, 109611), (741, 101919), (1007, 74997), (1923, 39273), (2067, 36537), (2223, 33973), (3021, 24999), (5769, 13091), (6201, 12179), (8333, 9063)]