2118675

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 3937248

約数和(自身を除く): 1818573

約数列:

[1, 3, 5, 13, 15, 25, 39, 41, 53, 65, 75, 123, 159, 195, 205, 265, 325, 533, 615, 689, 795, 975, 1025, 1325, 1599, 2067, 2173, 2665, 3075, 3445, 3975, 6519, 7995, 10335, 10865, 13325, 17225, 28249, 32595, 39975, 51675, 54325, 84747, 141245, 162975, 423735, 706225, 2118675]

約数ペア:

[(1, 2118675), (3, 706225), (5, 423735), (13, 162975), (15, 141245), (25, 84747), (39, 54325), (41, 51675), (53, 39975), (65, 32595), (75, 28249), (123, 17225), (159, 13325), (195, 10865), (205, 10335), (265, 7995), (325, 6519), (533, 3975), (615, 3445), (689, 3075), (795, 2665), (975, 2173), (1025, 2067), (1325, 1599)]