18012045

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{881}}^1$

素因数の和:965

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 12469875

約数列:

[1, 3, 5, 15, 29, 47, 87, 141, 145, 235, 435, 705, 881, 1363, 2643, 4089, 4405, 6815, 13215, 20445, 25549, 41407, 76647, 124221, 127745, 207035, 383235, 621105, 1200803, 3602409, 6004015, 18012045]

約数ペア:

[(1, 18012045), (3, 6004015), (5, 3602409), (15, 1200803), (29, 621105), (47, 383235), (87, 207035), (141, 127745), (145, 124221), (235, 76647), (435, 41407), (705, 25549), (881, 20445), (1363, 13215), (2643, 6815), (4089, 4405)]