15870231

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 26732160

約数和(自身を除く): 10861929

約数列:

[1, 3, 9, 13, 17, 39, 51, 79, 101, 117, 153, 221, 237, 303, 663, 711, 909, 1027, 1313, 1343, 1717, 1989, 3081, 3939, 4029, 5151, 7979, 9243, 11817, 12087, 15453, 17459, 22321, 23937, 52377, 66963, 71811, 103727, 135643, 157131, 200889, 311181, 406929, 933543, 1220787, 1763359, 5290077, 15870231]

約数ペア:

[(1, 15870231), (3, 5290077), (9, 1763359), (13, 1220787), (17, 933543), (39, 406929), (51, 311181), (79, 200889), (101, 157131), (117, 135643), (153, 103727), (221, 71811), (237, 66963), (303, 52377), (663, 23937), (711, 22321), (909, 17459), (1027, 15453), (1313, 12087), (1343, 11817), (1717, 9243), (1989, 7979), (3081, 5151), (3939, 4029)]