2019170781

素因数分解:

$3^3\times {\mathrm{167}}^1\times {\mathrm{431}}^1\times {\mathrm{1039}}^1$

素因数の和:1646

約数の個数: 32

約数和(自身を含む): 3019161600

約数和(自身を除く): 999990819

約数列:

[1, 3, 9, 27, 167, 431, 501, 1039, 1293, 1503, 3117, 3879, 4509, 9351, 11637, 28053, 71977, 173513, 215931, 447809, 520539, 647793, 1343427, 1561617, 1943379, 4030281, 4684851, 12090843, 74784103, 224352309, 673056927, 2019170781]

約数ペア:

[(1, 2019170781), (3, 673056927), (9, 224352309), (27, 74784103), (167, 12090843), (431, 4684851), (501, 4030281), (1039, 1943379), (1293, 1561617), (1503, 1343427), (3117, 647793), (3879, 520539), (4509, 447809), (9351, 215931), (11637, 173513), (28053, 71977)]