81133884

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3271}}^1$

素因数の和:3347

約数の個数: 72

約数和(自身を含む): 225100512

約数和(自身を除く): 143966628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 53, 78, 106, 117, 156, 159, 212, 234, 318, 468, 477, 636, 689, 954, 1378, 1908, 2067, 2756, 3271, 4134, 6201, 6542, 8268, 9813, 12402, 13084, 19626, 24804, 29439, 39252, 42523, 58878, 85046, 117756, 127569, 170092, 173363, 255138, 346726, 382707, 510276, 520089, 693452, 765414, 1040178, 1530828, 1560267, 2080356, 2253719, 3120534, 4507438, 6241068, 6761157, 9014876, 13522314, 20283471, 27044628, 40566942, 81133884]

約数ペア:

[(1, 81133884), (2, 40566942), (3, 27044628), (4, 20283471), (6, 13522314), (9, 9014876), (12, 6761157), (13, 6241068), (18, 4507438), (26, 3120534), (36, 2253719), (39, 2080356), (52, 1560267), (53, 1530828), (78, 1040178), (106, 765414), (117, 693452), (156, 520089), (159, 510276), (212, 382707), (234, 346726), (318, 255138), (468, 173363), (477, 170092), (636, 127569), (689, 117756), (954, 85046), (1378, 58878), (1908, 42523), (2067, 39252), (2756, 29439), (3271, 24804), (4134, 19626), (6201, 13084), (6542, 12402), (8268, 9813)]