27840015

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2851}}^1$

素因数の和:2900

約数の個数: 48

約数和(自身を含む): 56948736

約数和(自身を除く): 29108721

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 279, 315, 465, 651, 1085, 1395, 1953, 2851, 3255, 8553, 9765, 14255, 19957, 25659, 42765, 59871, 88381, 99785, 128295, 179613, 265143, 299355, 441905, 618667, 795429, 898065, 1325715, 1856001, 3093335, 3977145, 5568003, 9280005, 27840015]

約数ペア:

[(1, 27840015), (3, 9280005), (5, 5568003), (7, 3977145), (9, 3093335), (15, 1856001), (21, 1325715), (31, 898065), (35, 795429), (45, 618667), (63, 441905), (93, 299355), (105, 265143), (155, 179613), (217, 128295), (279, 99785), (315, 88381), (465, 59871), (651, 42765), (1085, 25659), (1395, 19957), (1953, 14255), (2851, 9765), (3255, 8553)]