201920391

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{12697}}^1$

素因数の和:12756

約数の個数: 32

約数和(自身を含む): 325068800

約数和(自身を除く): 123148409

約数列:

[1, 3, 9, 19, 27, 31, 57, 93, 171, 279, 513, 589, 837, 1767, 5301, 12697, 15903, 38091, 114273, 241243, 342819, 393607, 723729, 1180821, 2171187, 3542463, 6513561, 7478533, 10627389, 22435599, 67306797, 201920391]

約数ペア:

[(1, 201920391), (3, 67306797), (9, 22435599), (19, 10627389), (27, 7478533), (31, 6513561), (57, 3542463), (93, 2171187), (171, 1180821), (279, 723729), (513, 393607), (589, 342819), (837, 241243), (1767, 114273), (5301, 38091), (12697, 15903)]