201521193

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{43591}}^1$

素因数の和:43684

約数の個数: 16

約数和(自身を含む): 284568576

約数和(自身を除く): 83047383

約数列:

[1, 3, 23, 67, 69, 201, 1541, 4623, 43591, 130773, 1002593, 2920597, 3007779, 8761791, 67173731, 201521193]

約数ペア:

[(1, 201521193), (3, 67173731), (23, 8761791), (67, 3007779), (69, 2920597), (201, 1002593), (1541, 130773), (4623, 43591)]