9801225

素因数分解:

$3^2\times 5^2\times 7^3\times {\mathrm{127}}^1$

素因数の和:164

約数の個数: 72

約数和(自身を含む): 20633600

約数和(自身を除く): 10832375

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 127, 147, 175, 225, 245, 315, 343, 381, 441, 525, 635, 735, 889, 1029, 1143, 1225, 1575, 1715, 1905, 2205, 2667, 3087, 3175, 3675, 4445, 5145, 5715, 6223, 8001, 8575, 9525, 11025, 13335, 15435, 18669, 22225, 25725, 28575, 31115, 40005, 43561, 56007, 66675, 77175, 93345, 130683, 155575, 200025, 217805, 280035, 392049, 466725, 653415, 1089025, 1400175, 1960245, 3267075, 9801225]

約数ペア:

[(1, 9801225), (3, 3267075), (5, 1960245), (7, 1400175), (9, 1089025), (15, 653415), (21, 466725), (25, 392049), (35, 280035), (45, 217805), (49, 200025), (63, 155575), (75, 130683), (105, 93345), (127, 77175), (147, 66675), (175, 56007), (225, 43561), (245, 40005), (315, 31115), (343, 28575), (381, 25725), (441, 22225), (525, 18669), (635, 15435), (735, 13335), (889, 11025), (1029, 9525), (1143, 8575), (1225, 8001), (1575, 6223), (1715, 5715), (1905, 5145), (2205, 4445), (2667, 3675), (3087, 3175)]