16729120821

素因数分解:

$3^1\times 7^3\times {\mathrm{113}}^1\times {\mathrm{143873}}^1$

素因数の和:144010

約数の個数: 32

約数和(自身を含む): 26242617600

約数和(自身を除く): 9513496779

約数列:

[1, 3, 7, 21, 49, 113, 147, 339, 343, 791, 1029, 2373, 5537, 16611, 38759, 116277, 143873, 431619, 1007111, 3021333, 7049777, 16257649, 21149331, 48772947, 49348439, 113803543, 148045317, 341410629, 796624801, 2389874403, 5576373607, 16729120821]

約数ペア:

[(1, 16729120821), (3, 5576373607), (7, 2389874403), (21, 796624801), (49, 341410629), (113, 148045317), (147, 113803543), (339, 49348439), (343, 48772947), (791, 21149331), (1029, 16257649), (2373, 7049777), (5537, 3021333), (16611, 1007111), (38759, 431619), (116277, 143873)]