168439887

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2731}}^1$

素因数の和:2844

約数の個数: 48

約数和(自身を含む): 306858240

約数和(自身を除く): 138418353

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 89, 99, 231, 267, 623, 693, 801, 979, 1869, 2731, 2937, 5607, 6853, 8193, 8811, 19117, 20559, 24579, 30041, 57351, 61677, 90123, 172053, 210287, 243059, 270369, 630861, 729177, 1701413, 1892583, 2187531, 2673649, 5104239, 8020947, 15312717, 18715543, 24062841, 56146629, 168439887]

約数ペア:

[(1, 168439887), (3, 56146629), (7, 24062841), (9, 18715543), (11, 15312717), (21, 8020947), (33, 5104239), (63, 2673649), (77, 2187531), (89, 1892583), (99, 1701413), (231, 729177), (267, 630861), (623, 270369), (693, 243059), (801, 210287), (979, 172053), (1869, 90123), (2731, 61677), (2937, 57351), (5607, 30041), (6853, 24579), (8193, 20559), (8811, 19117)]