1491352681

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10789}}^1$

素因数の和:10854

約数の個数: 32

約数和(自身を含む): 1933568000

約数和(自身を除く): 442215319

約数列:

[1, 7, 13, 31, 49, 91, 217, 343, 403, 637, 1519, 2821, 4459, 10633, 10789, 19747, 75523, 138229, 140257, 334459, 528661, 981799, 2341213, 3700627, 4347967, 6872593, 16388491, 30435769, 48108151, 114719437, 213050383, 1491352681]

約数ペア:

[(1, 1491352681), (7, 213050383), (13, 114719437), (31, 48108151), (49, 30435769), (91, 16388491), (217, 6872593), (343, 4347967), (403, 3700627), (637, 2341213), (1519, 981799), (2821, 528661), (4459, 334459), (10633, 140257), (10789, 138229), (19747, 75523)]