1620007047

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:370

約数の個数: 80

約数和(自身を含む): 2622799872

約数和(自身を除く): 1002792825

約数列:

[1, 3, 9, 23, 27, 41, 69, 81, 123, 127, 167, 207, 369, 381, 501, 621, 943, 1107, 1143, 1503, 1863, 2829, 2921, 3321, 3429, 3841, 4509, 5207, 6847, 8487, 8763, 10287, 11523, 13527, 15621, 20541, 21209, 25461, 26289, 34569, 46863, 61623, 63627, 76383, 78867, 103707, 119761, 140589, 157481, 184869, 190881, 236601, 311121, 359283, 421767, 472443, 487807, 554607, 572643, 869569, 1077849, 1417329, 1463421, 1717929, 2608707, 3233547, 4251987, 4390263, 7826121, 9700641, 12755961, 13170789, 20000087, 23478363, 39512367, 60000261, 70435089, 180000783, 540002349, 1620007047]

約数ペア:

[(1, 1620007047), (3, 540002349), (9, 180000783), (23, 70435089), (27, 60000261), (41, 39512367), (69, 23478363), (81, 20000087), (123, 13170789), (127, 12755961), (167, 9700641), (207, 7826121), (369, 4390263), (381, 4251987), (501, 3233547), (621, 2608707), (943, 1717929), (1107, 1463421), (1143, 1417329), (1503, 1077849), (1863, 869569), (2829, 572643), (2921, 554607), (3321, 487807), (3429, 472443), (3841, 421767), (4509, 359283), (5207, 311121), (6847, 236601), (8487, 190881), (8763, 184869), (10287, 157481), (11523, 140589), (13527, 119761), (15621, 103707), (20541, 78867), (21209, 76383), (25461, 63627), (26289, 61623), (34569, 46863)]