31073217

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 48758784

約数和(自身を除く): 17685567

約数列:

[1, 3, 7, 21, 61, 127, 183, 191, 381, 427, 573, 889, 1281, 1337, 2667, 4011, 7747, 11651, 23241, 24257, 34953, 54229, 72771, 81557, 162687, 169799, 244671, 509397, 1479677, 4439031, 10357739, 31073217]

約数ペア:

[(1, 31073217), (3, 10357739), (7, 4439031), (21, 1479677), (61, 509397), (127, 244671), (183, 169799), (191, 162687), (381, 81557), (427, 72771), (573, 54229), (889, 34953), (1281, 24257), (1337, 23241), (2667, 11651), (4011, 7747)]