206869425

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{181}}^1\times {\mathrm{311}}^1$

素因数の和:519

約数の個数: 72

約数和(自身を含む): 401349312

約数和(自身を除く): 194479887

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 181, 245, 311, 525, 543, 735, 905, 933, 1225, 1267, 1555, 2177, 2715, 3675, 3801, 4525, 4665, 6335, 6531, 7775, 8869, 10885, 13575, 15239, 19005, 23325, 26607, 31675, 32655, 44345, 45717, 54425, 56291, 76195, 95025, 133035, 163275, 168873, 221725, 228585, 281455, 380975, 394037, 665175, 844365, 1142925, 1182111, 1407275, 1970185, 2758259, 4221825, 5910555, 8274777, 9850925, 13791295, 29552775, 41373885, 68956475, 206869425]

約数ペア:

[(1, 206869425), (3, 68956475), (5, 41373885), (7, 29552775), (15, 13791295), (21, 9850925), (25, 8274777), (35, 5910555), (49, 4221825), (75, 2758259), (105, 1970185), (147, 1407275), (175, 1182111), (181, 1142925), (245, 844365), (311, 665175), (525, 394037), (543, 380975), (735, 281455), (905, 228585), (933, 221725), (1225, 168873), (1267, 163275), (1555, 133035), (2177, 95025), (2715, 76195), (3675, 56291), (3801, 54425), (4525, 45717), (4665, 44345), (6335, 32655), (6531, 31675), (7775, 26607), (8869, 23325), (10885, 19005), (13575, 15239)]