859969395

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^2\times {\mathrm{223}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 1608018048

約数和(自身を除く): 748048653

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 71, 85, 153, 213, 223, 255, 355, 639, 669, 765, 1065, 1115, 1207, 2007, 3195, 3345, 3621, 3791, 5041, 6035, 10035, 10863, 11373, 15123, 15833, 18105, 18955, 25205, 34119, 45369, 47499, 54315, 56865, 75615, 79165, 85697, 142497, 170595, 226845, 237495, 257091, 269161, 428485, 712485, 771273, 807483, 1124143, 1285455, 1345805, 2422449, 3372429, 3856365, 4037415, 5620715, 10117287, 12112245, 16862145, 19110431, 50586435, 57331293, 95552155, 171993879, 286656465, 859969395]

約数ペア:

[(1, 859969395), (3, 286656465), (5, 171993879), (9, 95552155), (15, 57331293), (17, 50586435), (45, 19110431), (51, 16862145), (71, 12112245), (85, 10117287), (153, 5620715), (213, 4037415), (223, 3856365), (255, 3372429), (355, 2422449), (639, 1345805), (669, 1285455), (765, 1124143), (1065, 807483), (1115, 771273), (1207, 712485), (2007, 428485), (3195, 269161), (3345, 257091), (3621, 237495), (3791, 226845), (5041, 170595), (6035, 142497), (10035, 85697), (10863, 79165), (11373, 75615), (15123, 56865), (15833, 54315), (18105, 47499), (18955, 45369), (25205, 34119)]