28045485

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 52835328

約数和(自身を除く): 24789843

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 191, 195, 251, 573, 585, 753, 955, 1255, 1719, 2259, 2483, 2865, 3263, 3765, 7449, 8595, 9789, 11295, 12415, 16315, 22347, 29367, 37245, 47941, 48945, 111735, 143823, 146835, 239705, 431469, 623233, 719115, 1869699, 2157345, 3116165, 5609097, 9348495, 28045485]

約数ペア:

[(1, 28045485), (3, 9348495), (5, 5609097), (9, 3116165), (13, 2157345), (15, 1869699), (39, 719115), (45, 623233), (65, 431469), (117, 239705), (191, 146835), (195, 143823), (251, 111735), (573, 48945), (585, 47941), (753, 37245), (955, 29367), (1255, 22347), (1719, 16315), (2259, 12415), (2483, 11295), (2865, 9789), (3263, 8595), (3765, 7449)]