87720919

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 108864000

約数和(自身を除く): 21143081

約数列:

[1, 11, 13, 23, 143, 149, 179, 253, 299, 1639, 1937, 1969, 2327, 3289, 3427, 4117, 21307, 25597, 26671, 37697, 44551, 45287, 53521, 293381, 346723, 490061, 588731, 613433, 3813953, 6747763, 7974629, 87720919]

約数ペア:

[(1, 87720919), (11, 7974629), (13, 6747763), (23, 3813953), (143, 613433), (149, 588731), (179, 490061), (253, 346723), (299, 293381), (1639, 53521), (1937, 45287), (1969, 44551), (2327, 37697), (3289, 26671), (3427, 25597), (4117, 21307)]