1851999513

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{631}}^1\times {\mathrm{827}}^1$

素因数の和:1494

約数の個数: 48

約数和(自身を含む): 3064421376

約数和(自身を除く): 1212421863

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 631, 827, 1183, 1893, 2481, 3549, 4417, 5789, 8203, 10751, 13251, 17367, 24609, 32253, 57421, 75257, 106639, 139763, 172263, 225771, 319917, 419289, 521837, 746473, 978341, 1565511, 2239419, 2935023, 3652859, 6783881, 10958577, 20351643, 47487167, 88190453, 142461501, 264571359, 617333171, 1851999513]

約数ペア:

[(1, 1851999513), (3, 617333171), (7, 264571359), (13, 142461501), (21, 88190453), (39, 47487167), (91, 20351643), (169, 10958577), (273, 6783881), (507, 3652859), (631, 2935023), (827, 2239419), (1183, 1565511), (1893, 978341), (2481, 746473), (3549, 521837), (4417, 419289), (5789, 319917), (8203, 225771), (10751, 172263), (13251, 139763), (17367, 106639), (24609, 75257), (32253, 57421)]