64632975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{499}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 117552000

約数和(自身を除く): 52919025

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 157, 165, 275, 471, 499, 785, 825, 1497, 1727, 2355, 2495, 3925, 5181, 5489, 7485, 8635, 11775, 12475, 16467, 25905, 27445, 37425, 43175, 78343, 82335, 129525, 137225, 235029, 391715, 411675, 861773, 1175145, 1958575, 2585319, 4308865, 5875725, 12926595, 21544325, 64632975]

約数ペア:

[(1, 64632975), (3, 21544325), (5, 12926595), (11, 5875725), (15, 4308865), (25, 2585319), (33, 1958575), (55, 1175145), (75, 861773), (157, 411675), (165, 391715), (275, 235029), (471, 137225), (499, 129525), (785, 82335), (825, 78343), (1497, 43175), (1727, 37425), (2355, 27445), (2495, 25905), (3925, 16467), (5181, 12475), (5489, 11775), (7485, 8635)]