212319405

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{64633}}^1$

素因数の和:64717

約数の個数: 24

約数和(自身を含む): 373067448

約数和(自身を除く): 160748043

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 64633, 193899, 323165, 581697, 969495, 2908485, 4718209, 14154627, 23591045, 42463881, 70773135, 212319405]

約数ペア:

[(1, 212319405), (3, 70773135), (5, 42463881), (9, 23591045), (15, 14154627), (45, 4718209), (73, 2908485), (219, 969495), (365, 581697), (657, 323165), (1095, 193899), (3285, 64633)]