81678135

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{70717}}^1$

素因数の和:70743

約数の個数: 32

約数和(自身を含む): 162934272

約数和(自身を除く): 81256137

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 70717, 212151, 353585, 495019, 777887, 1060755, 1485057, 2333661, 2475095, 3889435, 5445209, 7425285, 11668305, 16335627, 27226045, 81678135]

約数ペア:

[(1, 81678135), (3, 27226045), (5, 16335627), (7, 11668305), (11, 7425285), (15, 5445209), (21, 3889435), (33, 2475095), (35, 2333661), (55, 1485057), (77, 1060755), (105, 777887), (165, 495019), (231, 353585), (385, 212151), (1155, 70717)]