77111325

素因数分解:

$3^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1609}}^1$

素因数の和:1699

約数の個数: 48

約数和(自身を含む): 143740800

約数和(自身を除く): 66629475

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 135, 213, 225, 355, 639, 675, 1065, 1609, 1775, 1917, 3195, 4827, 5325, 8045, 9585, 14481, 15975, 24135, 40225, 43443, 47925, 72405, 114239, 120675, 217215, 342717, 362025, 571195, 1028151, 1086075, 1713585, 2855975, 3084453, 5140755, 8567925, 15422265, 25703775, 77111325]

約数ペア:

[(1, 77111325), (3, 25703775), (5, 15422265), (9, 8567925), (15, 5140755), (25, 3084453), (27, 2855975), (45, 1713585), (71, 1086075), (75, 1028151), (135, 571195), (213, 362025), (225, 342717), (355, 217215), (639, 120675), (675, 114239), (1065, 72405), (1609, 47925), (1775, 43443), (1917, 40225), (3195, 24135), (4827, 15975), (5325, 14481), (8045, 9585)]