2142045

素因数分解:

$3^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:104

約数の個数: 48

約数和(自身を含む): 4036032

約数和(自身を除く): 1893987

約数列:

[1, 3, 5, 9, 15, 27, 41, 43, 45, 81, 123, 129, 135, 205, 215, 243, 369, 387, 405, 615, 645, 1107, 1161, 1215, 1763, 1845, 1935, 3321, 3483, 5289, 5535, 5805, 8815, 9963, 10449, 15867, 16605, 17415, 26445, 47601, 49815, 52245, 79335, 142803, 238005, 428409, 714015, 2142045]

約数ペア:

[(1, 2142045), (3, 714015), (5, 428409), (9, 238005), (15, 142803), (27, 79335), (41, 52245), (43, 49815), (45, 47601), (81, 26445), (123, 17415), (129, 16605), (135, 15867), (205, 10449), (215, 9963), (243, 8815), (369, 5805), (387, 5535), (405, 5289), (615, 3483), (645, 3321), (1107, 1935), (1161, 1845), (1215, 1763)]