71329905

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 127835136

約数和(自身を除く): 56505231

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 191, 193, 215, 387, 573, 579, 645, 955, 965, 1719, 1737, 1935, 2865, 2895, 8213, 8299, 8595, 8685, 24639, 24897, 36863, 41065, 41495, 73917, 74691, 110589, 123195, 124485, 184315, 331767, 369585, 373455, 552945, 1585109, 1658835, 4755327, 7925545, 14265981, 23776635, 71329905]

約数ペア:

[(1, 71329905), (3, 23776635), (5, 14265981), (9, 7925545), (15, 4755327), (43, 1658835), (45, 1585109), (129, 552945), (191, 373455), (193, 369585), (215, 331767), (387, 184315), (573, 124485), (579, 123195), (645, 110589), (955, 74691), (965, 73917), (1719, 41495), (1737, 41065), (1935, 36863), (2865, 24897), (2895, 24639), (8213, 8685), (8299, 8595)]