2145879

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 32

約数和(自身を含む): 3456000

約数和(自身を除く): 1310121

約数列:

[1, 3, 9, 19, 27, 47, 57, 89, 141, 171, 267, 423, 513, 801, 893, 1269, 1691, 2403, 2679, 4183, 5073, 8037, 12549, 15219, 24111, 37647, 45657, 79477, 112941, 238431, 715293, 2145879]

約数ペア:

[(1, 2145879), (3, 715293), (9, 238431), (19, 112941), (27, 79477), (47, 45657), (57, 37647), (89, 24111), (141, 15219), (171, 12549), (267, 8037), (423, 5073), (513, 4183), (801, 2679), (893, 2403), (1269, 1691)]