209799045

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{311}}^1$

素因数の和:607

約数の個数: 64

約数和(自身を含む): 395366400

約数和(自身を除く): 185567355

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 263, 285, 311, 513, 789, 855, 933, 1315, 1555, 2367, 2565, 2799, 3945, 4665, 4997, 5909, 7101, 8397, 11835, 13995, 14991, 17727, 24985, 29545, 35505, 41985, 44973, 53181, 74955, 81793, 88635, 134919, 159543, 224865, 245379, 265905, 408965, 674595, 736137, 797715, 1226895, 1554067, 2208411, 3680685, 4662201, 7770335, 11042055, 13986603, 23311005, 41959809, 69933015, 209799045]

約数ペア:

[(1, 209799045), (3, 69933015), (5, 41959809), (9, 23311005), (15, 13986603), (19, 11042055), (27, 7770335), (45, 4662201), (57, 3680685), (95, 2208411), (135, 1554067), (171, 1226895), (263, 797715), (285, 736137), (311, 674595), (513, 408965), (789, 265905), (855, 245379), (933, 224865), (1315, 159543), (1555, 134919), (2367, 88635), (2565, 81793), (2799, 74955), (3945, 53181), (4665, 44973), (4997, 41985), (5909, 35505), (7101, 29545), (8397, 24985), (11835, 17727), (13995, 14991)]