7228725

素因数分解:

$3^1\times 5^2\times 7^3\times {\mathrm{281}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 13987200

約数和(自身を除く): 6758475

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 281, 343, 525, 735, 843, 1029, 1225, 1405, 1715, 1967, 3675, 4215, 5145, 5901, 7025, 8575, 9835, 13769, 21075, 25725, 29505, 41307, 49175, 68845, 96383, 147525, 206535, 289149, 344225, 481915, 1032675, 1445745, 2409575, 7228725]

約数ペア:

[(1, 7228725), (3, 2409575), (5, 1445745), (7, 1032675), (15, 481915), (21, 344225), (25, 289149), (35, 206535), (49, 147525), (75, 96383), (105, 68845), (147, 49175), (175, 41307), (245, 29505), (281, 25725), (343, 21075), (525, 13769), (735, 9835), (843, 8575), (1029, 7025), (1225, 5901), (1405, 5145), (1715, 4215), (1967, 3675)]