2021729775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{21377}}^1$

素因数の和:21500

約数の個数: 48

約数和(自身を含む): 3636996384

約数和(自身を除く): 1615266609

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 97, 195, 291, 325, 485, 975, 1261, 1455, 2425, 3783, 6305, 7275, 18915, 21377, 31525, 64131, 94575, 106885, 277901, 320655, 534425, 833703, 1389505, 1603275, 2073569, 4168515, 6220707, 6947525, 10367845, 20842575, 26956397, 31103535, 51839225, 80869191, 134781985, 155517675, 404345955, 673909925, 2021729775]

約数ペア:

[(1, 2021729775), (3, 673909925), (5, 404345955), (13, 155517675), (15, 134781985), (25, 80869191), (39, 51839225), (65, 31103535), (75, 26956397), (97, 20842575), (195, 10367845), (291, 6947525), (325, 6220707), (485, 4168515), (975, 2073569), (1261, 1603275), (1455, 1389505), (2425, 833703), (3783, 534425), (6305, 320655), (7275, 277901), (18915, 106885), (21377, 94575), (31525, 64131)]