207215421

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{57037}}^1$

素因数の和:57220

約数の個数: 16

約数和(自身を含む): 317587584

約数和(自身を除く): 110372163

約数列:

[1, 3, 7, 21, 173, 519, 1211, 3633, 57037, 171111, 399259, 1197777, 9867401, 29602203, 69071807, 207215421]

約数ペア:

[(1, 207215421), (3, 69071807), (7, 29602203), (21, 9867401), (173, 1197777), (519, 399259), (1211, 171111), (3633, 57037)]