217698975

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{24809}}^1$

素因数の和:24841

約数の個数: 48

約数和(自身を含む): 430701600

約数和(自身を除く): 213002625

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 195, 225, 325, 351, 585, 675, 975, 1755, 2925, 8775, 24809, 74427, 124045, 223281, 322517, 372135, 620225, 669843, 967551, 1116405, 1612585, 1860675, 2902653, 3349215, 4837755, 5582025, 8062925, 8707959, 14513265, 16746075, 24188775, 43539795, 72566325, 217698975]

約数ペア:

[(1, 217698975), (3, 72566325), (5, 43539795), (9, 24188775), (13, 16746075), (15, 14513265), (25, 8707959), (27, 8062925), (39, 5582025), (45, 4837755), (65, 3349215), (75, 2902653), (117, 1860675), (135, 1612585), (195, 1116405), (225, 967551), (325, 669843), (351, 620225), (585, 372135), (675, 322517), (975, 223281), (1755, 124045), (2925, 74427), (8775, 24809)]