2505966957

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{911}}^1$

素因数の和:1411

約数の個数: 64

約数和(自身を含む): 4247147520

約数和(自身を除く): 1741180563

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 351, 459, 461, 663, 911, 1383, 1989, 2733, 4149, 5967, 5993, 7837, 8199, 11843, 12447, 15487, 17979, 23511, 24597, 35529, 46461, 53937, 70533, 101881, 106587, 139383, 161811, 201331, 211599, 305643, 319761, 418149, 419971, 603993, 916929, 1259913, 1811979, 2750787, 3779739, 5435937, 5459623, 7139507, 11339217, 16378869, 21418521, 49136607, 64255563, 92813591, 147409821, 192766689, 278440773, 835322319, 2505966957]

約数ペア:

[(1, 2505966957), (3, 835322319), (9, 278440773), (13, 192766689), (17, 147409821), (27, 92813591), (39, 64255563), (51, 49136607), (117, 21418521), (153, 16378869), (221, 11339217), (351, 7139507), (459, 5459623), (461, 5435937), (663, 3779739), (911, 2750787), (1383, 1811979), (1989, 1259913), (2733, 916929), (4149, 603993), (5967, 419971), (5993, 418149), (7837, 319761), (8199, 305643), (11843, 211599), (12447, 201331), (15487, 161811), (17979, 139383), (23511, 106587), (24597, 101881), (35529, 70533), (46461, 53937)]