1211421

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:476

約数の個数: 16

約数和(自身を含む): 1736640

約数和(自身を除く): 525219

約数列:

[1, 3, 19, 53, 57, 159, 401, 1007, 1203, 3021, 7619, 21253, 22857, 63759, 403807, 1211421]

約数ペア:

[(1, 1211421), (3, 403807), (19, 63759), (53, 22857), (57, 21253), (159, 7619), (401, 3021), (1007, 1203)]