28918917

素因数分解:

$3^3\times {\mathrm{401}}^1\times {\mathrm{2671}}^1$

素因数の和:3081

約数の個数: 16

約数和(自身を含む): 42965760

約数和(自身を除く): 14046843

約数列:

[1, 3, 9, 27, 401, 1203, 2671, 3609, 8013, 10827, 24039, 72117, 1071071, 3213213, 9639639, 28918917]

約数ペア:

[(1, 28918917), (3, 9639639), (9, 3213213), (27, 1071071), (401, 72117), (1203, 24039), (2671, 10827), (3609, 8013)]