2027720289

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{648041}}^1$

素因数の和:648200

約数の個数: 16

約数和(自身を含む): 3110601600

約数和(自身を除く): 1082881311

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 648041, 1944123, 4536287, 13608861, 96558109, 289674327, 675906763, 2027720289]

約数ペア:

[(1, 2027720289), (3, 675906763), (7, 289674327), (21, 96558109), (149, 13608861), (447, 4536287), (1043, 1944123), (3129, 648041)]