15520017

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 23184000

約数和(自身を除く): 7663983

約数列:

[1, 3, 19, 29, 41, 57, 87, 123, 229, 551, 687, 779, 1189, 1653, 2337, 3567, 4351, 6641, 9389, 13053, 19923, 22591, 28167, 67773, 126179, 178391, 272281, 378537, 535173, 816843, 5173339, 15520017]

約数ペア:

[(1, 15520017), (3, 5173339), (19, 816843), (29, 535173), (41, 378537), (57, 272281), (87, 178391), (123, 126179), (229, 67773), (551, 28167), (687, 22591), (779, 19923), (1189, 13053), (1653, 9389), (2337, 6641), (3567, 4351)]