520070655

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{20359}}^1$

素因数の和:20511

約数の個数: 32

約数和(自身を含む): 903006720

約数和(自身を除く): 382936065

約数列:

[1, 3, 5, 13, 15, 39, 65, 131, 195, 393, 655, 1703, 1965, 5109, 8515, 20359, 25545, 61077, 101795, 264667, 305385, 794001, 1323335, 2667029, 3970005, 8001087, 13335145, 34671377, 40005435, 104014131, 173356885, 520070655]

約数ペア:

[(1, 520070655), (3, 173356885), (5, 104014131), (13, 40005435), (15, 34671377), (39, 13335145), (65, 8001087), (131, 3970005), (195, 2667029), (393, 1323335), (655, 794001), (1703, 305385), (1965, 264667), (5109, 101795), (8515, 61077), (20359, 25545)]