42665427

素因数分解:

$3^3\times 7^3\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 78336000

約数和(自身を除く): 35670573

約数列:

[1, 3, 7, 9, 17, 21, 27, 49, 51, 63, 119, 147, 153, 189, 271, 343, 357, 441, 459, 813, 833, 1029, 1071, 1323, 1897, 2439, 2499, 3087, 3213, 4607, 5691, 5831, 7317, 7497, 9261, 13279, 13821, 17073, 17493, 22491, 32249, 39837, 41463, 51219, 52479, 92953, 96747, 119511, 124389, 157437, 225743, 278859, 290241, 358533, 677229, 836577, 870723, 1580201, 2031687, 2509731, 4740603, 6095061, 14221809, 42665427]

約数ペア:

[(1, 42665427), (3, 14221809), (7, 6095061), (9, 4740603), (17, 2509731), (21, 2031687), (27, 1580201), (49, 870723), (51, 836577), (63, 677229), (119, 358533), (147, 290241), (153, 278859), (189, 225743), (271, 157437), (343, 124389), (357, 119511), (441, 96747), (459, 92953), (813, 52479), (833, 51219), (1029, 41463), (1071, 39837), (1323, 32249), (1897, 22491), (2439, 17493), (2499, 17073), (3087, 13821), (3213, 13279), (4607, 9261), (5691, 7497), (5831, 7317)]