289091715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4481}}^1$

素因数の和:4540

約数の個数: 64

約数和(自身を含む): 557632512

約数和(自身を除く): 268540797

約数列:

[1, 3, 5, 11, 15, 17, 23, 33, 51, 55, 69, 85, 115, 165, 187, 253, 255, 345, 391, 561, 759, 935, 1173, 1265, 1955, 2805, 3795, 4301, 4481, 5865, 12903, 13443, 21505, 22405, 49291, 64515, 67215, 76177, 103063, 147873, 228531, 246455, 309189, 380885, 515315, 739365, 837947, 1133693, 1142655, 1545945, 1752071, 2513841, 3401079, 4189735, 5256213, 5668465, 8760355, 12569205, 17005395, 19272781, 26281065, 57818343, 96363905, 289091715]

約数ペア:

[(1, 289091715), (3, 96363905), (5, 57818343), (11, 26281065), (15, 19272781), (17, 17005395), (23, 12569205), (33, 8760355), (51, 5668465), (55, 5256213), (69, 4189735), (85, 3401079), (115, 2513841), (165, 1752071), (187, 1545945), (253, 1142655), (255, 1133693), (345, 837947), (391, 739365), (561, 515315), (759, 380885), (935, 309189), (1173, 246455), (1265, 228531), (1955, 147873), (2805, 103063), (3795, 76177), (4301, 67215), (4481, 64515), (5865, 49291), (12903, 22405), (13443, 21505)]