18055305

素因数分解:

$3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:535

約数の個数: 40

約数和(自身を含む): 32742600

約数和(自身を除く): 14687295

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 109, 135, 327, 405, 409, 545, 981, 1227, 1635, 2045, 2943, 3681, 4905, 6135, 8829, 11043, 14715, 18405, 33129, 44145, 44581, 55215, 133743, 165645, 222905, 401229, 668715, 1203687, 2006145, 3611061, 6018435, 18055305]

約数ペア:

[(1, 18055305), (3, 6018435), (5, 3611061), (9, 2006145), (15, 1203687), (27, 668715), (45, 401229), (81, 222905), (109, 165645), (135, 133743), (327, 55215), (405, 44581), (409, 44145), (545, 33129), (981, 18405), (1227, 14715), (1635, 11043), (2045, 8829), (2943, 6135), (3681, 4905)]