11531975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 18207168

約数和(自身を除く): 6675193

約数列:

[1, 5, 7, 13, 25, 35, 37, 65, 91, 137, 175, 185, 259, 325, 455, 481, 685, 925, 959, 1295, 1781, 2275, 2405, 3367, 3425, 4795, 5069, 6475, 8905, 12025, 12467, 16835, 23975, 25345, 35483, 44525, 62335, 65897, 84175, 126725, 177415, 311675, 329485, 461279, 887075, 1647425, 2306395, 11531975]

約数ペア:

[(1, 11531975), (5, 2306395), (7, 1647425), (13, 887075), (25, 461279), (35, 329485), (37, 311675), (65, 177415), (91, 126725), (137, 84175), (175, 65897), (185, 62335), (259, 44525), (325, 35483), (455, 25345), (481, 23975), (685, 16835), (925, 12467), (959, 12025), (1295, 8905), (1781, 6475), (2275, 5069), (2405, 4795), (3367, 3425)]