78165135

素因数分解:

$3^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1307}}^1$

素因数の和:1764

約数の個数: 32

約数和(自身を含む): 139380480

約数和(自身を除く): 61215345

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 443, 1307, 1329, 2215, 3921, 3987, 6535, 6645, 11763, 11961, 19605, 19935, 35289, 58815, 59805, 176445, 579001, 1737003, 2895005, 5211009, 8685015, 15633027, 26055045, 78165135]

約数ペア:

[(1, 78165135), (3, 26055045), (5, 15633027), (9, 8685015), (15, 5211009), (27, 2895005), (45, 1737003), (135, 579001), (443, 176445), (1307, 59805), (1329, 58815), (2215, 35289), (3921, 19935), (3987, 19605), (6535, 11961), (6645, 11763)]