27810198

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6991}}^1$

素因数の和:7029

約数の個数: 48

約数和(自身を含む): 68717376

約数和(自身を除く): 40907178

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 6991, 13982, 20973, 41946, 62919, 90883, 118847, 125838, 181766, 237694, 272649, 356541, 545298, 713082, 817947, 1069623, 1545011, 1635894, 2139246, 3090022, 4635033, 9270066, 13905099, 27810198]

約数ペア:

[(1, 27810198), (2, 13905099), (3, 9270066), (6, 4635033), (9, 3090022), (13, 2139246), (17, 1635894), (18, 1545011), (26, 1069623), (34, 817947), (39, 713082), (51, 545298), (78, 356541), (102, 272649), (117, 237694), (153, 181766), (221, 125838), (234, 118847), (306, 90883), (442, 62919), (663, 41946), (1326, 20973), (1989, 13982), (3978, 6991)]