16372671

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 25804800

約数和(自身を除く): 9432129

約数列:

[1, 3, 7, 21, 71, 79, 139, 213, 237, 417, 497, 553, 973, 1491, 1659, 2919, 5609, 9869, 10981, 16827, 29607, 32943, 39263, 69083, 76867, 117789, 207249, 230601, 779651, 2338953, 5457557, 16372671]

約数ペア:

[(1, 16372671), (3, 5457557), (7, 2338953), (21, 779651), (71, 230601), (79, 207249), (139, 117789), (213, 76867), (237, 69083), (417, 39263), (497, 32943), (553, 29607), (973, 16827), (1491, 10981), (1659, 9869), (2919, 5609)]