12786525

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{997}}^1$

素因数の和:1035

約数の個数: 48

約数和(自身を含む): 24750400

約数和(自身を除く): 11963875

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 135, 171, 225, 285, 475, 513, 675, 855, 997, 1425, 2565, 2991, 4275, 4985, 8973, 12825, 14955, 18943, 24925, 26919, 44865, 56829, 74775, 94715, 134595, 170487, 224325, 284145, 473575, 511461, 672975, 852435, 1420725, 2557305, 4262175, 12786525]

約数ペア:

[(1, 12786525), (3, 4262175), (5, 2557305), (9, 1420725), (15, 852435), (19, 672975), (25, 511461), (27, 473575), (45, 284145), (57, 224325), (75, 170487), (95, 134595), (135, 94715), (171, 74775), (225, 56829), (285, 44865), (475, 26919), (513, 24925), (675, 18943), (855, 14955), (997, 12825), (1425, 8973), (2565, 4985), (2991, 4275)]