1640802051

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1\times {\mathrm{863}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 2747437056

約数和(自身を除く): 1106635005

約数列:

[1, 3, 7, 9, 21, 63, 103, 293, 309, 721, 863, 879, 927, 2051, 2163, 2589, 2637, 6041, 6153, 6489, 7767, 18123, 18459, 30179, 54369, 88889, 90537, 211253, 252859, 266667, 271611, 622223, 633759, 758577, 800001, 1770013, 1866669, 1901277, 2275731, 5310039, 5600007, 15930117, 26044477, 78133431, 182311339, 234400293, 546934017, 1640802051]

約数ペア:

[(1, 1640802051), (3, 546934017), (7, 234400293), (9, 182311339), (21, 78133431), (63, 26044477), (103, 15930117), (293, 5600007), (309, 5310039), (721, 2275731), (863, 1901277), (879, 1866669), (927, 1770013), (2051, 800001), (2163, 758577), (2589, 633759), (2637, 622223), (6041, 271611), (6153, 266667), (6489, 252859), (7767, 211253), (18123, 90537), (18459, 88889), (30179, 54369)]