381566133

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^2$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 641953312

約数和(自身を除く): 260387179

約数列:

[1, 3, 9, 13, 27, 39, 43, 53, 81, 117, 129, 159, 243, 351, 387, 477, 559, 689, 1053, 1161, 1431, 1677, 2067, 2279, 2809, 3159, 3483, 4293, 5031, 6201, 6837, 8427, 10449, 12879, 15093, 18603, 20511, 25281, 29627, 36517, 45279, 55809, 61533, 75843, 88881, 109551, 120787, 135837, 167427, 184599, 227529, 266643, 328653, 362361, 553797, 682587, 799929, 985959, 1087083, 1570231, 2399787, 2957877, 3261249, 4710693, 7199361, 8873631, 9783747, 14132079, 29351241, 42396237, 127188711, 381566133]

約数ペア:

[(1, 381566133), (3, 127188711), (9, 42396237), (13, 29351241), (27, 14132079), (39, 9783747), (43, 8873631), (53, 7199361), (81, 4710693), (117, 3261249), (129, 2957877), (159, 2399787), (243, 1570231), (351, 1087083), (387, 985959), (477, 799929), (559, 682587), (689, 553797), (1053, 362361), (1161, 328653), (1431, 266643), (1677, 227529), (2067, 184599), (2279, 167427), (2809, 135837), (3159, 120787), (3483, 109551), (4293, 88881), (5031, 75843), (6201, 61533), (6837, 55809), (8427, 45279), (10449, 36517), (12879, 29627), (15093, 25281), (18603, 20511)]