1555983

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:77

約数の個数: 48

約数和(自身を含む): 2810880

約数和(自身を除く): 1254897

約数列:

[1, 3, 9, 11, 13, 27, 31, 33, 39, 93, 99, 117, 143, 169, 279, 297, 341, 351, 403, 429, 507, 837, 1023, 1209, 1287, 1521, 1859, 3069, 3627, 3861, 4433, 4563, 5239, 5577, 9207, 10881, 13299, 15717, 16731, 39897, 47151, 50193, 57629, 119691, 141453, 172887, 518661, 1555983]

約数ペア:

[(1, 1555983), (3, 518661), (9, 172887), (11, 141453), (13, 119691), (27, 57629), (31, 50193), (33, 47151), (39, 39897), (93, 16731), (99, 15717), (117, 13299), (143, 10881), (169, 9207), (279, 5577), (297, 5239), (341, 4563), (351, 4433), (403, 3861), (429, 3627), (507, 3069), (837, 1859), (1023, 1521), (1209, 1287)]