16661385

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1499}}^1$

素因数の和:1542

約数の個数: 48

約数和(自身を含む): 32760000

約数和(自身を除く): 16098615

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1235, 1499, 2223, 3705, 4497, 7495, 11115, 13491, 19487, 22485, 28481, 58461, 67455, 85443, 97435, 142405, 175383, 256329, 292305, 370253, 427215, 876915, 1110759, 1281645, 1851265, 3332277, 5553795, 16661385]

約数ペア:

[(1, 16661385), (3, 5553795), (5, 3332277), (9, 1851265), (13, 1281645), (15, 1110759), (19, 876915), (39, 427215), (45, 370253), (57, 292305), (65, 256329), (95, 175383), (117, 142405), (171, 97435), (195, 85443), (247, 67455), (285, 58461), (585, 28481), (741, 22485), (855, 19487), (1235, 13491), (1499, 11115), (2223, 7495), (3705, 4497)]