12667281

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 19699200

約数和(自身を除く): 7031919

約数列:

[1, 3, 11, 19, 33, 57, 89, 209, 227, 267, 627, 681, 979, 1691, 2497, 2937, 4313, 5073, 7491, 12939, 18601, 20203, 47443, 55803, 60609, 142329, 222233, 383857, 666699, 1151571, 4222427, 12667281]

約数ペア:

[(1, 12667281), (3, 4222427), (11, 1151571), (19, 666699), (33, 383857), (57, 222233), (89, 142329), (209, 60609), (227, 55803), (267, 47443), (627, 20203), (681, 18601), (979, 12939), (1691, 7491), (2497, 5073), (2937, 4313)]