2387775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 4444160

約数和(自身を除く): 2056385

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 65, 75, 79, 93, 155, 195, 237, 325, 395, 403, 465, 775, 975, 1027, 1185, 1209, 1975, 2015, 2325, 2449, 3081, 5135, 5925, 6045, 7347, 10075, 12245, 15405, 25675, 30225, 31837, 36735, 61225, 77025, 95511, 159185, 183675, 477555, 795925, 2387775]

約数ペア:

[(1, 2387775), (3, 795925), (5, 477555), (13, 183675), (15, 159185), (25, 95511), (31, 77025), (39, 61225), (65, 36735), (75, 31837), (79, 30225), (93, 25675), (155, 15405), (195, 12245), (237, 10075), (325, 7347), (395, 6045), (403, 5925), (465, 5135), (775, 3081), (975, 2449), (1027, 2325), (1185, 2015), (1209, 1975)]