64585917

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{419}}^1$

素因数の和:615

約数の個数: 40

約数和(自身を含む): 106112160

約数和(自身を除く): 41526243

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 173, 297, 419, 519, 891, 1257, 1557, 1903, 3771, 4609, 4671, 5709, 11313, 13827, 14013, 17127, 33939, 41481, 51381, 72487, 124443, 154143, 217461, 373329, 652383, 797357, 1957149, 2392071, 5871447, 7176213, 21528639, 64585917]

約数ペア:

[(1, 64585917), (3, 21528639), (9, 7176213), (11, 5871447), (27, 2392071), (33, 1957149), (81, 797357), (99, 652383), (173, 373329), (297, 217461), (419, 154143), (519, 124443), (891, 72487), (1257, 51381), (1557, 41481), (1903, 33939), (3771, 17127), (4609, 14013), (4671, 13827), (5709, 11313)]