55815165

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1489}}^1$

素因数の和:1531

約数の個数: 72

約数和(自身を含む): 119241720

約数和(自身を除く): 63426555

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 49, 51, 63, 85, 105, 119, 147, 153, 245, 255, 315, 357, 441, 595, 735, 765, 833, 1071, 1489, 1785, 2205, 2499, 4165, 4467, 5355, 7445, 7497, 10423, 12495, 13401, 22335, 25313, 31269, 37485, 52115, 67005, 72961, 75939, 93807, 126565, 156345, 177191, 218883, 227817, 364805, 379695, 469035, 531573, 656649, 885955, 1094415, 1139085, 1240337, 1594719, 2657865, 3283245, 3721011, 6201685, 7973595, 11163033, 18605055, 55815165]

約数ペア:

[(1, 55815165), (3, 18605055), (5, 11163033), (7, 7973595), (9, 6201685), (15, 3721011), (17, 3283245), (21, 2657865), (35, 1594719), (45, 1240337), (49, 1139085), (51, 1094415), (63, 885955), (85, 656649), (105, 531573), (119, 469035), (147, 379695), (153, 364805), (245, 227817), (255, 218883), (315, 177191), (357, 156345), (441, 126565), (595, 93807), (735, 75939), (765, 72961), (833, 67005), (1071, 52115), (1489, 37485), (1785, 31269), (2205, 25313), (2499, 22335), (4165, 13401), (4467, 12495), (5355, 10423), (7445, 7497)]