209901465

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 407586816

約数和(自身を除く): 197685351

約数列:

[1, 3, 5, 9, 15, 17, 31, 45, 51, 53, 85, 93, 153, 155, 159, 167, 255, 265, 279, 465, 477, 501, 527, 765, 795, 835, 901, 1395, 1503, 1581, 1643, 2385, 2505, 2635, 2703, 2839, 4505, 4743, 4929, 5177, 7515, 7905, 8109, 8215, 8517, 8851, 13515, 14195, 14787, 15531, 23715, 24645, 25551, 25885, 26553, 27931, 40545, 42585, 44255, 46593, 73935, 77655, 79659, 83793, 88009, 127755, 132765, 139655, 150467, 232965, 251379, 264027, 274381, 398295, 418965, 440045, 451401, 752335, 792081, 823143, 1256895, 1320135, 1354203, 1371905, 2257005, 2469429, 3960405, 4115715, 4664477, 6771015, 12347145, 13993431, 23322385, 41980293, 69967155, 209901465]

約数ペア:

[(1, 209901465), (3, 69967155), (5, 41980293), (9, 23322385), (15, 13993431), (17, 12347145), (31, 6771015), (45, 4664477), (51, 4115715), (53, 3960405), (85, 2469429), (93, 2257005), (153, 1371905), (155, 1354203), (159, 1320135), (167, 1256895), (255, 823143), (265, 792081), (279, 752335), (465, 451401), (477, 440045), (501, 418965), (527, 398295), (765, 274381), (795, 264027), (835, 251379), (901, 232965), (1395, 150467), (1503, 139655), (1581, 132765), (1643, 127755), (2385, 88009), (2505, 83793), (2635, 79659), (2703, 77655), (2839, 73935), (4505, 46593), (4743, 44255), (4929, 42585), (5177, 40545), (7515, 27931), (7905, 26553), (8109, 25885), (8215, 25551), (8517, 24645), (8851, 23715), (13515, 15531), (14195, 14787)]