123456291

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2671}}^1$

素因数の和:2783

約数の個数: 32

約数和(自身を含む): 197001216

約数和(自身を除く): 73544925

約数列:

[1, 3, 7, 21, 31, 71, 93, 213, 217, 497, 651, 1491, 2201, 2671, 6603, 8013, 15407, 18697, 46221, 56091, 82801, 189641, 248403, 568923, 579607, 1327487, 1738821, 3982461, 5878871, 17636613, 41152097, 123456291]

約数ペア:

[(1, 123456291), (3, 41152097), (7, 17636613), (21, 5878871), (31, 3982461), (71, 1738821), (93, 1327487), (213, 579607), (217, 568923), (497, 248403), (651, 189641), (1491, 82801), (2201, 56091), (2671, 46221), (6603, 18697), (8013, 15407)]