31487127

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{347}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 50112000

約数和(自身を除く): 18624873

約数列:

[1, 3, 7, 21, 29, 87, 149, 203, 347, 447, 609, 1041, 1043, 2429, 3129, 4321, 7287, 10063, 12963, 30189, 30247, 51703, 70441, 90741, 155109, 211323, 361921, 1085763, 1499387, 4498161, 10495709, 31487127]

約数ペア:

[(1, 31487127), (3, 10495709), (7, 4498161), (21, 1499387), (29, 1085763), (87, 361921), (149, 211323), (203, 155109), (347, 90741), (447, 70441), (609, 51703), (1041, 30247), (1043, 30189), (2429, 12963), (3129, 10063), (4321, 7287)]