18222225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{569}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 35057280

約数和(自身を除く): 16835055

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 61, 75, 105, 175, 183, 305, 427, 525, 569, 915, 1281, 1525, 1707, 2135, 2845, 3983, 4575, 6405, 8535, 10675, 11949, 14225, 19915, 32025, 34709, 42675, 59745, 99575, 104127, 173545, 242963, 298725, 520635, 728889, 867725, 1214815, 2603175, 3644445, 6074075, 18222225]

約数ペア:

[(1, 18222225), (3, 6074075), (5, 3644445), (7, 2603175), (15, 1214815), (21, 867725), (25, 728889), (35, 520635), (61, 298725), (75, 242963), (105, 173545), (175, 104127), (183, 99575), (305, 59745), (427, 42675), (525, 34709), (569, 32025), (915, 19915), (1281, 14225), (1525, 11949), (1707, 10675), (2135, 8535), (2845, 6405), (3983, 4575)]