12939675

素因数分解:

$3^1\times 5^2\times 7^3\times {\mathrm{503}}^1$

素因数の和:537

約数の個数: 48

約数和(自身を含む): 24998400

約数和(自身を除く): 12058725

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 343, 503, 525, 735, 1029, 1225, 1509, 1715, 2515, 3521, 3675, 5145, 7545, 8575, 10563, 12575, 17605, 24647, 25725, 37725, 52815, 73941, 88025, 123235, 172529, 264075, 369705, 517587, 616175, 862645, 1848525, 2587935, 4313225, 12939675]

約数ペア:

[(1, 12939675), (3, 4313225), (5, 2587935), (7, 1848525), (15, 862645), (21, 616175), (25, 517587), (35, 369705), (49, 264075), (75, 172529), (105, 123235), (147, 88025), (175, 73941), (245, 52815), (343, 37725), (503, 25725), (525, 24647), (735, 17605), (1029, 12575), (1225, 10563), (1509, 8575), (1715, 7545), (2515, 5145), (3521, 3675)]