72157785

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29879}}^1$

素因数の和:29917

約数の個数: 32

約数和(自身を含む): 137687040

約数和(自身を除く): 65529255

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 29879, 89637, 149395, 209153, 448185, 627459, 687217, 1045765, 2061651, 3137295, 3436085, 4810519, 10308255, 14431557, 24052595, 72157785]

約数ペア:

[(1, 72157785), (3, 24052595), (5, 14431557), (7, 10308255), (15, 4810519), (21, 3436085), (23, 3137295), (35, 2061651), (69, 1045765), (105, 687217), (115, 627459), (161, 448185), (345, 209153), (483, 149395), (805, 89637), (2415, 29879)]