2018777925

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{503}}^1\times {\mathrm{907}}^1$

素因数の和:1482

約数の個数: 48

約数和(自身を含む): 3404782080

約数和(自身を除く): 1386004155

約数列:

[1, 3, 5, 15, 25, 59, 75, 177, 295, 503, 885, 907, 1475, 1509, 2515, 2721, 4425, 4535, 7545, 12575, 13605, 22675, 29677, 37725, 53513, 68025, 89031, 148385, 160539, 267565, 445155, 456221, 741925, 802695, 1337825, 1368663, 2225775, 2281105, 4013475, 6843315, 11405525, 26917039, 34216575, 80751117, 134585195, 403755585, 672925975, 2018777925]

約数ペア:

[(1, 2018777925), (3, 672925975), (5, 403755585), (15, 134585195), (25, 80751117), (59, 34216575), (75, 26917039), (177, 11405525), (295, 6843315), (503, 4013475), (885, 2281105), (907, 2225775), (1475, 1368663), (1509, 1337825), (2515, 802695), (2721, 741925), (4425, 456221), (4535, 445155), (7545, 267565), (12575, 160539), (13605, 148385), (22675, 89031), (29677, 68025), (37725, 53513)]