17917713

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 64

約数和(自身を含む): 31426560

約数和(自身を除く): 13508847

約数列:

[1, 3, 9, 11, 23, 27, 33, 43, 61, 69, 99, 129, 183, 207, 253, 297, 387, 473, 549, 621, 671, 759, 989, 1161, 1403, 1419, 1647, 2013, 2277, 2623, 2967, 4209, 4257, 6039, 6831, 7869, 8901, 10879, 12627, 12771, 15433, 18117, 23607, 26703, 28853, 32637, 37881, 46299, 60329, 70821, 86559, 97911, 138897, 180987, 259677, 293733, 416691, 542961, 663619, 779031, 1628883, 1990857, 5972571, 17917713]

約数ペア:

[(1, 17917713), (3, 5972571), (9, 1990857), (11, 1628883), (23, 779031), (27, 663619), (33, 542961), (43, 416691), (61, 293733), (69, 259677), (99, 180987), (129, 138897), (183, 97911), (207, 86559), (253, 70821), (297, 60329), (387, 46299), (473, 37881), (549, 32637), (621, 28853), (671, 26703), (759, 23607), (989, 18117), (1161, 15433), (1403, 12771), (1419, 12627), (1647, 10879), (2013, 8901), (2277, 7869), (2623, 6831), (2967, 6039), (4209, 4257)]