1375605

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 2980224

約数和(自身を除く): 1604619

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 397, 495, 693, 1155, 1191, 1985, 2779, 3465, 3573, 4367, 5955, 8337, 13101, 13895, 17865, 21835, 25011, 30569, 39303, 41685, 65505, 91707, 125055, 152845, 196515, 275121, 458535, 1375605]

約数ペア:

[(1, 1375605), (3, 458535), (5, 275121), (7, 196515), (9, 152845), (11, 125055), (15, 91707), (21, 65505), (33, 41685), (35, 39303), (45, 30569), (55, 25011), (63, 21835), (77, 17865), (99, 13895), (105, 13101), (165, 8337), (231, 5955), (315, 4367), (385, 3573), (397, 3465), (495, 2779), (693, 1985), (1155, 1191)]