31977477

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2383}}^1$

素因数の和:2470

約数の個数: 32

約数和(自身を含む): 54927360

約数和(自身を除く): 22949883

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 2383, 4473, 7149, 13419, 16681, 21447, 50043, 64341, 150129, 169193, 450387, 507579, 1184351, 1522737, 3553053, 4568211, 10659159, 31977477]

約数ペア:

[(1, 31977477), (3, 10659159), (7, 4568211), (9, 3553053), (21, 1522737), (27, 1184351), (63, 507579), (71, 450387), (189, 169193), (213, 150129), (497, 64341), (639, 50043), (1491, 21447), (1917, 16681), (2383, 13419), (4473, 7149)]