642264165

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{17863}}^1$

素因数の和:17938

約数の個数: 48

約数和(自身を含む): 1203890688

約数和(自身を除く): 561626523

約数列:

[1, 3, 5, 9, 15, 17, 45, 47, 51, 85, 141, 153, 235, 255, 423, 705, 765, 799, 2115, 2397, 3995, 7191, 11985, 17863, 35955, 53589, 89315, 160767, 267945, 303671, 803835, 839561, 911013, 1518355, 2518683, 2733039, 4197805, 4555065, 7556049, 12593415, 13665195, 14272537, 37780245, 42817611, 71362685, 128452833, 214088055, 642264165]

約数ペア:

[(1, 642264165), (3, 214088055), (5, 128452833), (9, 71362685), (15, 42817611), (17, 37780245), (45, 14272537), (47, 13665195), (51, 12593415), (85, 7556049), (141, 4555065), (153, 4197805), (235, 2733039), (255, 2518683), (423, 1518355), (705, 911013), (765, 839561), (799, 803835), (2115, 303671), (2397, 267945), (3995, 160767), (7191, 89315), (11985, 53589), (17863, 35955)]