398450691

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{26783}}^1$

素因数の和:26840

約数の個数: 32

約数和(自身を含む): 642816000

約数和(自身を除く): 244365309

約数列:

[1, 3, 9, 19, 27, 29, 57, 87, 171, 261, 513, 551, 783, 1653, 4959, 14877, 26783, 80349, 241047, 508877, 723141, 776707, 1526631, 2330121, 4579893, 6990363, 13739679, 14757433, 20971089, 44272299, 132816897, 398450691]

約数ペア:

[(1, 398450691), (3, 132816897), (9, 44272299), (19, 20971089), (27, 14757433), (29, 13739679), (57, 6990363), (87, 4579893), (171, 2330121), (261, 1526631), (513, 776707), (551, 723141), (783, 508877), (1653, 241047), (4959, 80349), (14877, 26783)]