1881607

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:103

約数の個数: 32

約数和(自身を含む): 2580480

約数和(自身を除く): 698873

約数列:

[1, 7, 13, 23, 29, 31, 91, 161, 203, 217, 299, 377, 403, 667, 713, 899, 2093, 2639, 2821, 4669, 4991, 6293, 8671, 9269, 11687, 20677, 60697, 64883, 81809, 144739, 268801, 1881607]

約数ペア:

[(1, 1881607), (7, 268801), (13, 144739), (23, 81809), (29, 64883), (31, 60697), (91, 20677), (161, 11687), (203, 9269), (217, 8671), (299, 6293), (377, 4991), (403, 4669), (667, 2821), (713, 2639), (899, 2093)]