69997725

素因数分解:

$3^2\times 5^2\times 7^3\times {\mathrm{907}}^1$

素因数の和:944

約数の個数: 72

約数和(自身を含む): 146369600

約数和(自身を除く): 76371875

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 147, 175, 225, 245, 315, 343, 441, 525, 735, 907, 1029, 1225, 1575, 1715, 2205, 2721, 3087, 3675, 4535, 5145, 6349, 8163, 8575, 11025, 13605, 15435, 19047, 22675, 25725, 31745, 40815, 44443, 57141, 68025, 77175, 95235, 133329, 158725, 204075, 222215, 285705, 311101, 399987, 476175, 666645, 933303, 1111075, 1428525, 1555505, 1999935, 2799909, 3333225, 4666515, 7777525, 9999675, 13999545, 23332575, 69997725]

約数ペア:

[(1, 69997725), (3, 23332575), (5, 13999545), (7, 9999675), (9, 7777525), (15, 4666515), (21, 3333225), (25, 2799909), (35, 1999935), (45, 1555505), (49, 1428525), (63, 1111075), (75, 933303), (105, 666645), (147, 476175), (175, 399987), (225, 311101), (245, 285705), (315, 222215), (343, 204075), (441, 158725), (525, 133329), (735, 95235), (907, 77175), (1029, 68025), (1225, 57141), (1575, 44443), (1715, 40815), (2205, 31745), (2721, 25725), (3087, 22675), (3675, 19047), (4535, 15435), (5145, 13605), (6349, 11025), (8163, 8575)]