213885855

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{1049}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 389188800

約数和(自身を除く): 175302945

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 197, 207, 345, 591, 985, 1035, 1049, 1773, 2955, 3147, 4531, 5245, 8865, 9441, 13593, 15735, 22655, 24127, 40779, 47205, 67965, 72381, 120635, 203895, 206653, 217143, 361905, 619959, 1033265, 1085715, 1859877, 3099795, 4753019, 9299385, 14259057, 23765095, 42777171, 71295285, 213885855]

約数ペア:

[(1, 213885855), (3, 71295285), (5, 42777171), (9, 23765095), (15, 14259057), (23, 9299385), (45, 4753019), (69, 3099795), (115, 1859877), (197, 1085715), (207, 1033265), (345, 619959), (591, 361905), (985, 217143), (1035, 206653), (1049, 203895), (1773, 120635), (2955, 72381), (3147, 67965), (4531, 47205), (5245, 40779), (8865, 24127), (9441, 22655), (13593, 15735)]