205854453

素因数分解:

$3^4\times 7^1\times {\mathrm{363059}}^1$

素因数の和:363078

約数の個数: 20

約数和(自身を含む): 351442080

約数和(自身を除く): 145587627

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 363059, 1089177, 2541413, 3267531, 7624239, 9802593, 22872717, 29407779, 68618151, 205854453]

約数ペア:

[(1, 205854453), (3, 68618151), (7, 29407779), (9, 22872717), (21, 9802593), (27, 7624239), (63, 3267531), (81, 2541413), (189, 1089177), (567, 363059)]