28721595

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1699}}^1$

素因数の和:1744

約数の個数: 48

約数和(自身を含む): 55814400

約数和(自身を除く): 27092805

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 49, 69, 105, 115, 147, 161, 245, 345, 483, 735, 805, 1127, 1699, 2415, 3381, 5097, 5635, 8495, 11893, 16905, 25485, 35679, 39077, 59465, 83251, 117231, 178395, 195385, 249753, 273539, 416255, 586155, 820617, 1248765, 1367695, 1914773, 4103085, 5744319, 9573865, 28721595]

約数ペア:

[(1, 28721595), (3, 9573865), (5, 5744319), (7, 4103085), (15, 1914773), (21, 1367695), (23, 1248765), (35, 820617), (49, 586155), (69, 416255), (105, 273539), (115, 249753), (147, 195385), (161, 178395), (245, 117231), (345, 83251), (483, 59465), (735, 39077), (805, 35679), (1127, 25485), (1699, 16905), (2415, 11893), (3381, 8495), (5097, 5635)]