427820715

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{773}}^1$

素因数の和:1049

約数の個数: 72

約数和(自身を含む): 867183408

約数和(自身を除く): 439362693

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 251, 315, 441, 735, 753, 773, 1255, 1757, 2205, 2259, 2319, 3765, 3865, 5271, 5411, 6957, 8785, 11295, 11595, 12299, 15813, 16233, 26355, 27055, 34785, 36897, 37877, 48699, 61495, 79065, 81165, 110691, 113631, 184485, 189385, 194023, 243495, 340893, 553455, 568155, 582069, 970115, 1358161, 1704465, 1746207, 2910345, 4074483, 6790805, 8731035, 9507127, 12223449, 20372415, 28521381, 47535635, 61117245, 85564143, 142606905, 427820715]

約数ペア:

[(1, 427820715), (3, 142606905), (5, 85564143), (7, 61117245), (9, 47535635), (15, 28521381), (21, 20372415), (35, 12223449), (45, 9507127), (49, 8731035), (63, 6790805), (105, 4074483), (147, 2910345), (245, 1746207), (251, 1704465), (315, 1358161), (441, 970115), (735, 582069), (753, 568155), (773, 553455), (1255, 340893), (1757, 243495), (2205, 194023), (2259, 189385), (2319, 184485), (3765, 113631), (3865, 110691), (5271, 81165), (5411, 79065), (6957, 61495), (8785, 48699), (11295, 37877), (11595, 36897), (12299, 34785), (15813, 27055), (16233, 26355)]