28448973

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 50409216

約数和(自身を除く): 21960243

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 101, 119, 153, 263, 303, 357, 707, 789, 909, 1071, 1717, 1841, 2121, 2367, 4471, 5151, 5523, 6363, 12019, 13413, 15453, 16569, 26563, 31297, 36057, 40239, 79689, 93891, 108171, 185941, 239067, 281673, 451571, 557823, 1354713, 1673469, 3160997, 4064139, 9482991, 28448973]

約数ペア:

[(1, 28448973), (3, 9482991), (7, 4064139), (9, 3160997), (17, 1673469), (21, 1354713), (51, 557823), (63, 451571), (101, 281673), (119, 239067), (153, 185941), (263, 108171), (303, 93891), (357, 79689), (707, 40239), (789, 36057), (909, 31297), (1071, 26563), (1717, 16569), (1841, 15453), (2121, 13413), (2367, 12019), (4471, 6363), (5151, 5523)]