28376901

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3023}}^1$

素因数の和:3185

約数の個数: 24

約数和(自身を含む): 47174400

約数和(自身を除く): 18797499

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341, 3023, 3129, 9069, 9387, 21161, 27207, 63483, 190449, 450427, 1351281, 3152989, 4053843, 9458967, 28376901]

約数ペア:

[(1, 28376901), (3, 9458967), (7, 4053843), (9, 3152989), (21, 1351281), (63, 450427), (149, 190449), (447, 63483), (1043, 27207), (1341, 21161), (3023, 9387), (3129, 9069)]