26987025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 48746880

約数和(自身を除く): 21759855

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 89, 195, 267, 311, 325, 445, 933, 975, 1157, 1335, 1555, 2225, 3471, 4043, 4665, 5785, 6675, 7775, 12129, 17355, 20215, 23325, 27679, 28925, 60645, 83037, 86775, 101075, 138395, 303225, 359827, 415185, 691975, 1079481, 1799135, 2075925, 5397405, 8995675, 26987025]

約数ペア:

[(1, 26987025), (3, 8995675), (5, 5397405), (13, 2075925), (15, 1799135), (25, 1079481), (39, 691975), (65, 415185), (75, 359827), (89, 303225), (195, 138395), (267, 101075), (311, 86775), (325, 83037), (445, 60645), (933, 28925), (975, 27679), (1157, 23325), (1335, 20215), (1555, 17355), (2225, 12129), (3471, 7775), (4043, 6675), (4665, 5785)]