1899696981

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{68897}}^1$

素因数の和:69021

約数の個数: 32

約数和(自身を含む): 3148363008

約数和(自身を除く): 1248666027

約数列:

[1, 3, 7, 13, 21, 39, 91, 101, 273, 303, 707, 1313, 2121, 3939, 9191, 27573, 68897, 206691, 482279, 895661, 1446837, 2686983, 6269627, 6958597, 18808881, 20875791, 48710179, 90461761, 146130537, 271385283, 633232327, 1899696981]

約数ペア:

[(1, 1899696981), (3, 633232327), (7, 271385283), (13, 146130537), (21, 90461761), (39, 48710179), (91, 20875791), (101, 18808881), (273, 6958597), (303, 6269627), (707, 2686983), (1313, 1446837), (2121, 895661), (3939, 482279), (9191, 206691), (27573, 68897)]