2485725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 4713984

約数和(自身を除く): 2228259

約数列:

[1, 3, 5, 11, 15, 23, 25, 33, 55, 69, 75, 115, 131, 165, 253, 275, 345, 393, 575, 655, 759, 825, 1265, 1441, 1725, 1965, 3013, 3275, 3795, 4323, 6325, 7205, 9039, 9825, 15065, 18975, 21615, 33143, 36025, 45195, 75325, 99429, 108075, 165715, 225975, 497145, 828575, 2485725]

約数ペア:

[(1, 2485725), (3, 828575), (5, 497145), (11, 225975), (15, 165715), (23, 108075), (25, 99429), (33, 75325), (55, 45195), (69, 36025), (75, 33143), (115, 21615), (131, 18975), (165, 15065), (253, 9825), (275, 9039), (345, 7205), (393, 6325), (575, 4323), (655, 3795), (759, 3275), (825, 3013), (1265, 1965), (1441, 1725)]