17983539

素因数分解:

$3^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:246

約数の個数: 60

約数和(自身を含む): 32774544

約数和(自身を除く): 14791005

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 81, 147, 161, 189, 197, 207, 441, 483, 567, 591, 621, 1127, 1323, 1379, 1449, 1773, 1863, 3381, 3969, 4137, 4347, 4531, 5319, 9653, 10143, 12411, 13041, 13593, 15957, 28959, 30429, 31717, 37233, 40779, 86877, 91287, 95151, 111699, 122337, 222019, 260631, 285453, 367011, 666057, 781893, 856359, 1998171, 2569077, 5994513, 17983539]

約数ペア:

[(1, 17983539), (3, 5994513), (7, 2569077), (9, 1998171), (21, 856359), (23, 781893), (27, 666057), (49, 367011), (63, 285453), (69, 260631), (81, 222019), (147, 122337), (161, 111699), (189, 95151), (197, 91287), (207, 86877), (441, 40779), (483, 37233), (567, 31717), (591, 30429), (621, 28959), (1127, 15957), (1323, 13593), (1379, 13041), (1449, 12411), (1773, 10143), (1863, 9653), (3381, 5319), (3969, 4531), (4137, 4347)]