2125845

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:227

約数の個数: 40

約数和(自身を含む): 3963960

約数和(自身を除く): 1838115

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 181, 261, 405, 435, 543, 783, 905, 1305, 1629, 2349, 2715, 3915, 4887, 5249, 8145, 11745, 14661, 15747, 24435, 26245, 47241, 73305, 78735, 141723, 236205, 425169, 708615, 2125845]

約数ペア:

[(1, 2125845), (3, 708615), (5, 425169), (9, 236205), (15, 141723), (27, 78735), (29, 73305), (45, 47241), (81, 26245), (87, 24435), (135, 15747), (145, 14661), (181, 11745), (261, 8145), (405, 5249), (435, 4887), (543, 3915), (783, 2715), (905, 2349), (1305, 1629)]