201814971561

素因数分解:

$3^2\times 7^2\times {\mathrm{241}}^1\times {\mathrm{1898881}}^1$

素因数の和:1899142

約数の個数: 36

約数和(自身を含む): 340511318004

約数和(自身を除く): 138696346443

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 241, 441, 723, 1687, 2169, 5061, 11809, 15183, 35427, 106281, 1898881, 5696643, 13292167, 17089929, 39876501, 93045169, 119629503, 279135507, 457630321, 837406521, 1372890963, 3203412247, 4118672889, 9610236741, 22423885729, 28830710223, 67271657187, 201814971561]

約数ペア:

[(1, 201814971561), (3, 67271657187), (7, 28830710223), (9, 22423885729), (21, 9610236741), (49, 4118672889), (63, 3203412247), (147, 1372890963), (241, 837406521), (441, 457630321), (723, 279135507), (1687, 119629503), (2169, 93045169), (5061, 39876501), (11809, 17089929), (15183, 13292167), (35427, 5696643), (106281, 1898881)]