66480921

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 107557632

約数和(自身を除く): 41076711

約数列:

[1, 3, 9, 13, 39, 53, 71, 117, 151, 159, 213, 453, 477, 639, 689, 923, 1359, 1963, 2067, 2769, 3763, 5889, 6201, 8003, 8307, 10721, 11289, 17667, 24009, 32163, 33867, 48919, 72027, 96489, 104039, 139373, 146757, 312117, 418119, 440271, 568213, 936351, 1254357, 1704639, 5113917, 7386769, 22160307, 66480921]

約数ペア:

[(1, 66480921), (3, 22160307), (9, 7386769), (13, 5113917), (39, 1704639), (53, 1254357), (71, 936351), (117, 568213), (151, 440271), (159, 418119), (213, 312117), (453, 146757), (477, 139373), (639, 104039), (689, 96489), (923, 72027), (1359, 48919), (1963, 33867), (2067, 32163), (2769, 24009), (3763, 17667), (5889, 11289), (6201, 10721), (8003, 8307)]