1216359291

素因数分解:

$3^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{16649}}^1$

素因数の和:16744

約数の個数: 32

約数和(自身を含む): 1918080000

約数和(自身を除く): 701720709

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 343, 497, 1029, 1491, 3479, 10437, 16649, 24353, 49947, 73059, 116543, 349629, 815801, 1182079, 2447403, 3546237, 5710607, 8274553, 17131821, 24823659, 57921871, 173765613, 405453097, 1216359291]

約数ペア:

[(1, 1216359291), (3, 405453097), (7, 173765613), (21, 57921871), (49, 24823659), (71, 17131821), (147, 8274553), (213, 5710607), (343, 3546237), (497, 2447403), (1029, 1182079), (1491, 815801), (3479, 349629), (10437, 116543), (16649, 73059), (24353, 49947)]