61139475

素因数分解:

$3^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1709}}^1$

素因数の和:1781

約数の個数: 48

約数和(自身を含む): 114501600

約数和(自身を除く): 53362125

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 53, 75, 135, 159, 225, 265, 477, 675, 795, 1325, 1431, 1709, 2385, 3975, 5127, 7155, 8545, 11925, 15381, 25635, 35775, 42725, 46143, 76905, 90577, 128175, 230715, 271731, 384525, 452885, 815193, 1153575, 1358655, 2264425, 2445579, 4075965, 6793275, 12227895, 20379825, 61139475]

約数ペア:

[(1, 61139475), (3, 20379825), (5, 12227895), (9, 6793275), (15, 4075965), (25, 2445579), (27, 2264425), (45, 1358655), (53, 1153575), (75, 815193), (135, 452885), (159, 384525), (225, 271731), (265, 230715), (477, 128175), (675, 90577), (795, 76905), (1325, 46143), (1431, 42725), (1709, 35775), (2385, 25635), (3975, 15381), (5127, 11925), (7155, 8545)]