31907169

素因数分解:

$3^3\times 7^1\times {\mathrm{401}}^1\times {\mathrm{421}}^1$

素因数の和:838

約数の個数: 32

約数和(自身を含む): 54286080

約数和(自身を除く): 22378911

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 401, 421, 1203, 1263, 2807, 2947, 3609, 3789, 8421, 8841, 10827, 11367, 25263, 26523, 75789, 79569, 168821, 506463, 1181747, 1519389, 3545241, 4558167, 10635723, 31907169]

約数ペア:

[(1, 31907169), (3, 10635723), (7, 4558167), (9, 3545241), (21, 1519389), (27, 1181747), (63, 506463), (189, 168821), (401, 79569), (421, 75789), (1203, 26523), (1263, 25263), (2807, 11367), (2947, 10827), (3609, 8841), (3789, 8421)]