651105

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:87

約数の個数: 64

約数和(自身を含む): 1451520

約数和(自身を除く): 800415

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 53, 63, 65, 91, 105, 117, 135, 159, 189, 195, 265, 273, 315, 351, 371, 455, 477, 585, 689, 795, 819, 945, 1113, 1365, 1431, 1755, 1855, 2067, 2385, 2457, 3339, 3445, 4095, 4823, 5565, 6201, 7155, 10017, 10335, 12285, 14469, 16695, 18603, 24115, 31005, 43407, 50085, 72345, 93015, 130221, 217035, 651105]

約数ペア:

[(1, 651105), (3, 217035), (5, 130221), (7, 93015), (9, 72345), (13, 50085), (15, 43407), (21, 31005), (27, 24115), (35, 18603), (39, 16695), (45, 14469), (53, 12285), (63, 10335), (65, 10017), (91, 7155), (105, 6201), (117, 5565), (135, 4823), (159, 4095), (189, 3445), (195, 3339), (265, 2457), (273, 2385), (315, 2067), (351, 1855), (371, 1755), (455, 1431), (477, 1365), (585, 1113), (689, 945), (795, 819)]