81693585

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4643}}^1$

素因数の和:4694

約数の個数: 48

約数和(自身を含む): 156484224

約数和(自身を除く): 74790639

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 85, 115, 153, 207, 255, 345, 391, 765, 1035, 1173, 1955, 3519, 4643, 5865, 13929, 17595, 23215, 41787, 69645, 78931, 106789, 208935, 236793, 320367, 394655, 533945, 710379, 961101, 1183965, 1601835, 1815413, 3551895, 4805505, 5446239, 9077065, 16338717, 27231195, 81693585]

約数ペア:

[(1, 81693585), (3, 27231195), (5, 16338717), (9, 9077065), (15, 5446239), (17, 4805505), (23, 3551895), (45, 1815413), (51, 1601835), (69, 1183965), (85, 961101), (115, 710379), (153, 533945), (207, 394655), (255, 320367), (345, 236793), (391, 208935), (765, 106789), (1035, 78931), (1173, 69645), (1955, 41787), (3519, 23215), (4643, 17595), (5865, 13929)]