520020567

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:402

約数の個数: 80

約数和(自身を含む): 890993664

約数和(自身を除く): 370973097

約数列:

[1, 3, 9, 11, 27, 31, 33, 67, 81, 93, 99, 201, 279, 281, 297, 341, 603, 737, 837, 843, 891, 1023, 1809, 2077, 2211, 2511, 2529, 3069, 3091, 5427, 6231, 6633, 7587, 8711, 9207, 9273, 18693, 18827, 19899, 22761, 22847, 26133, 27621, 27819, 56079, 56481, 59697, 68541, 78399, 83457, 95821, 168237, 169443, 205623, 207097, 235197, 250371, 287463, 508329, 583637, 616869, 621291, 705591, 862389, 1524987, 1750911, 1850607, 1863873, 2587167, 5252733, 5591619, 6420007, 7761501, 15758199, 16774857, 19260021, 47274597, 57780063, 173340189, 520020567]

約数ペア:

[(1, 520020567), (3, 173340189), (9, 57780063), (11, 47274597), (27, 19260021), (31, 16774857), (33, 15758199), (67, 7761501), (81, 6420007), (93, 5591619), (99, 5252733), (201, 2587167), (279, 1863873), (281, 1850607), (297, 1750911), (341, 1524987), (603, 862389), (737, 705591), (837, 621291), (843, 616869), (891, 583637), (1023, 508329), (1809, 287463), (2077, 250371), (2211, 235197), (2511, 207097), (2529, 205623), (3069, 169443), (3091, 168237), (5427, 95821), (6231, 83457), (6633, 78399), (7587, 68541), (8711, 59697), (9207, 56481), (9273, 56079), (18693, 27819), (18827, 27621), (19899, 26133), (22761, 22847)]