31881969

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{12343}}^1$

素因数の和:12397

約数の個数: 24

約数和(自身を含む): 53918592

約数和(自身を除く): 22036623

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 12343, 37029, 86401, 111087, 259203, 506063, 777609, 1518189, 3542441, 4554567, 10627323, 31881969]

約数ペア:

[(1, 31881969), (3, 10627323), (7, 4554567), (9, 3542441), (21, 1518189), (41, 777609), (63, 506063), (123, 259203), (287, 111087), (369, 86401), (861, 37029), (2583, 12343)]