80521455

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1543}}^1$

素因数の和:1636

約数の個数: 48

約数和(自身を含む): 152077824

約数和(自身を除く): 71556369

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 71, 105, 147, 213, 245, 355, 497, 735, 1065, 1491, 1543, 2485, 3479, 4629, 7455, 7715, 10437, 10801, 17395, 23145, 32403, 52185, 54005, 75607, 109553, 162015, 226821, 328659, 378035, 547765, 766871, 1134105, 1643295, 2300613, 3834355, 5368097, 11503065, 16104291, 26840485, 80521455]

約数ペア:

[(1, 80521455), (3, 26840485), (5, 16104291), (7, 11503065), (15, 5368097), (21, 3834355), (35, 2300613), (49, 1643295), (71, 1134105), (105, 766871), (147, 547765), (213, 378035), (245, 328659), (355, 226821), (497, 162015), (735, 109553), (1065, 75607), (1491, 54005), (1543, 52185), (2485, 32403), (3479, 23145), (4629, 17395), (7455, 10801), (7715, 10437)]