81903943

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 100154880

約数和(自身を除く): 18250937

約数列:

[1, 11, 17, 23, 137, 139, 187, 253, 391, 1507, 1529, 2329, 2363, 3151, 3197, 4301, 19043, 25619, 25993, 34661, 35167, 53567, 54349, 209473, 323731, 437989, 589237, 597839, 3561041, 4817879, 7445813, 81903943]

約数ペア:

[(1, 81903943), (11, 7445813), (17, 4817879), (23, 3561041), (137, 597839), (139, 589237), (187, 437989), (253, 323731), (391, 209473), (1507, 54349), (1529, 53567), (2329, 35167), (2363, 34661), (3151, 25993), (3197, 25619), (4301, 19043)]