81384069

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{313}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 120274560

約数和(自身を除く): 38890491

約数列:

[1, 3, 13, 39, 59, 113, 177, 313, 339, 767, 939, 1469, 2301, 4069, 4407, 6667, 12207, 18467, 20001, 35369, 55401, 86671, 106107, 240071, 260013, 459797, 720213, 1379391, 2086771, 6260313, 27128023, 81384069]

約数ペア:

[(1, 81384069), (3, 27128023), (13, 6260313), (39, 2086771), (59, 1379391), (113, 720213), (177, 459797), (313, 260013), (339, 240071), (767, 106107), (939, 86671), (1469, 55401), (2301, 35369), (4069, 20001), (4407, 18467), (6667, 12207)]