87885

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{31}}^1$

素因数の和:55

約数の個数: 40

約数和(自身を含む): 185856

約数和(自身を除く): 97971

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 31, 35, 45, 63, 81, 93, 105, 135, 155, 189, 217, 279, 315, 405, 465, 567, 651, 837, 945, 1085, 1395, 1953, 2511, 2835, 3255, 4185, 5859, 9765, 12555, 17577, 29295, 87885]

約数ペア:

[(1, 87885), (3, 29295), (5, 17577), (7, 12555), (9, 9765), (15, 5859), (21, 4185), (27, 3255), (31, 2835), (35, 2511), (45, 1953), (63, 1395), (81, 1085), (93, 945), (105, 837), (135, 651), (155, 567), (189, 465), (217, 405), (279, 315)]