81582105

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 153031680

約数和(自身を除く): 71449575

約数列:

[1, 3, 5, 11, 15, 19, 33, 53, 55, 57, 95, 159, 165, 209, 265, 285, 491, 583, 627, 795, 1007, 1045, 1473, 1749, 2455, 2915, 3021, 3135, 5035, 5401, 7365, 8745, 9329, 11077, 15105, 16203, 26023, 27005, 27987, 33231, 46645, 55385, 78069, 81015, 102619, 130115, 139935, 166155, 286253, 307857, 390345, 494437, 513095, 858759, 1431265, 1483311, 1539285, 2472185, 4293795, 5438807, 7416555, 16316421, 27194035, 81582105]

約数ペア:

[(1, 81582105), (3, 27194035), (5, 16316421), (11, 7416555), (15, 5438807), (19, 4293795), (33, 2472185), (53, 1539285), (55, 1483311), (57, 1431265), (95, 858759), (159, 513095), (165, 494437), (209, 390345), (265, 307857), (285, 286253), (491, 166155), (583, 139935), (627, 130115), (795, 102619), (1007, 81015), (1045, 78069), (1473, 55385), (1749, 46645), (2455, 33231), (2915, 27987), (3021, 27005), (3135, 26023), (5035, 16203), (5401, 15105), (7365, 11077), (8745, 9329)]