61335

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:87

約数の個数: 24

約数和(自身を含む): 112320

約数和(自身を除く): 50985

約数列:

[1, 3, 5, 9, 15, 29, 45, 47, 87, 141, 145, 235, 261, 423, 435, 705, 1305, 1363, 2115, 4089, 6815, 12267, 20445, 61335]

約数ペア:

[(1, 61335), (3, 20445), (5, 12267), (9, 6815), (15, 4089), (29, 2115), (45, 1363), (47, 1305), (87, 705), (141, 435), (145, 423), (235, 261)]