18252975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 33004832

約数和(自身を除く): 14751857

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 97, 193, 195, 291, 325, 485, 579, 965, 975, 1261, 1455, 2425, 2509, 2895, 3783, 4825, 6305, 7275, 7527, 12545, 14475, 18721, 18915, 31525, 37635, 56163, 62725, 93605, 94575, 188175, 243373, 280815, 468025, 730119, 1216865, 1404075, 3650595, 6084325, 18252975]

約数ペア:

[(1, 18252975), (3, 6084325), (5, 3650595), (13, 1404075), (15, 1216865), (25, 730119), (39, 468025), (65, 280815), (75, 243373), (97, 188175), (193, 94575), (195, 93605), (291, 62725), (325, 56163), (485, 37635), (579, 31525), (965, 18915), (975, 18721), (1261, 14475), (1455, 12545), (2425, 7527), (2509, 7275), (2895, 6305), (3783, 4825)]