15939115

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 21897216

約数和(自身を除く): 5958101

約数列:

[1, 5, 17, 23, 31, 85, 115, 155, 263, 391, 527, 713, 1315, 1955, 2635, 3565, 4471, 6049, 8153, 12121, 22355, 30245, 40765, 60605, 102833, 138601, 187519, 514165, 693005, 937595, 3187823, 15939115]

約数ペア:

[(1, 15939115), (5, 3187823), (17, 937595), (23, 693005), (31, 514165), (85, 187519), (115, 138601), (155, 102833), (263, 60605), (391, 40765), (527, 30245), (713, 22355), (1315, 12121), (1955, 8153), (2635, 6049), (3565, 4471)]