1212165

素因数分解:

$3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:131

約数の個数: 40

約数和(自身を含む): 2256408

約数和(自身を除く): 1044243

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 73, 81, 123, 135, 205, 219, 365, 369, 405, 615, 657, 1095, 1107, 1845, 1971, 2993, 3285, 3321, 5535, 5913, 8979, 9855, 14965, 16605, 26937, 29565, 44895, 80811, 134685, 242433, 404055, 1212165]

約数ペア:

[(1, 1212165), (3, 404055), (5, 242433), (9, 134685), (15, 80811), (27, 44895), (41, 29565), (45, 26937), (73, 16605), (81, 14965), (123, 9855), (135, 8979), (205, 5913), (219, 5535), (365, 3321), (369, 3285), (405, 2993), (615, 1971), (657, 1845), (1095, 1107)]