208085025

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1699}}^1$

素因数の和:1806

約数の個数: 48

約数和(自身を含む): 364262400

約数和(自身を除く): 156177375

約数列:

[1, 3, 5, 15, 23, 25, 69, 71, 75, 115, 213, 345, 355, 575, 1065, 1633, 1699, 1725, 1775, 4899, 5097, 5325, 8165, 8495, 24495, 25485, 39077, 40825, 42475, 117231, 120629, 122475, 127425, 195385, 361887, 586155, 603145, 976925, 1809435, 2774467, 2930775, 3015725, 8323401, 9047175, 13872335, 41617005, 69361675, 208085025]

約数ペア:

[(1, 208085025), (3, 69361675), (5, 41617005), (15, 13872335), (23, 9047175), (25, 8323401), (69, 3015725), (71, 2930775), (75, 2774467), (115, 1809435), (213, 976925), (345, 603145), (355, 586155), (575, 361887), (1065, 195385), (1633, 127425), (1699, 122475), (1725, 120629), (1775, 117231), (4899, 42475), (5097, 40825), (5325, 39077), (8165, 25485), (8495, 24495)]