870899211

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{2131}}^1$

素因数の和:2656

約数の個数: 48

約数和(自身を含む): 1552096000

約数和(自身を除く): 681196789

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 499, 819, 1497, 2131, 3493, 4491, 6393, 6487, 10479, 14917, 19179, 19461, 27703, 31437, 44751, 45409, 58383, 83109, 134253, 136227, 193921, 249327, 408681, 581763, 1063369, 1745289, 3190107, 7443583, 9570321, 13823797, 22330749, 41471391, 66992247, 96766579, 124414173, 290299737, 870899211]

約数ペア:

[(1, 870899211), (3, 290299737), (7, 124414173), (9, 96766579), (13, 66992247), (21, 41471391), (39, 22330749), (63, 13823797), (91, 9570321), (117, 7443583), (273, 3190107), (499, 1745289), (819, 1063369), (1497, 581763), (2131, 408681), (3493, 249327), (4491, 193921), (6393, 136227), (6487, 134253), (10479, 83109), (14917, 58383), (19179, 45409), (19461, 44751), (27703, 31437)]