2225223

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1$

素因数の和:69

約数の個数: 72

約数和(自身を含む): 4567680

約数和(自身を除く): 2342457

約数列:

[1, 3, 7, 9, 11, 13, 19, 21, 33, 39, 57, 63, 77, 91, 99, 117, 133, 143, 169, 171, 209, 231, 247, 273, 399, 429, 507, 627, 693, 741, 819, 1001, 1183, 1197, 1287, 1463, 1521, 1729, 1859, 1881, 2223, 2717, 3003, 3211, 3549, 4389, 5187, 5577, 8151, 9009, 9633, 10647, 13013, 13167, 15561, 16731, 19019, 22477, 24453, 28899, 35321, 39039, 57057, 67431, 105963, 117117, 171171, 202293, 247247, 317889, 741741, 2225223]

約数ペア:

[(1, 2225223), (3, 741741), (7, 317889), (9, 247247), (11, 202293), (13, 171171), (19, 117117), (21, 105963), (33, 67431), (39, 57057), (57, 39039), (63, 35321), (77, 28899), (91, 24453), (99, 22477), (117, 19019), (133, 16731), (143, 15561), (169, 13167), (171, 13013), (209, 10647), (231, 9633), (247, 9009), (273, 8151), (399, 5577), (429, 5187), (507, 4389), (627, 3549), (693, 3211), (741, 3003), (819, 2717), (1001, 2223), (1183, 1881), (1197, 1859), (1287, 1729), (1463, 1521)]