51280425

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{10853}}^1$

素因数の和:10879

約数の個数: 48

約数和(自身を含む): 107671680

約数和(自身を除く): 56391255

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 189, 225, 315, 525, 675, 945, 1575, 4725, 10853, 32559, 54265, 75971, 97677, 162795, 227913, 271325, 293031, 379855, 488385, 683739, 813975, 1139565, 1465155, 1899275, 2051217, 2441925, 3418695, 5697825, 7325775, 10256085, 17093475, 51280425]

約数ペア:

[(1, 51280425), (3, 17093475), (5, 10256085), (7, 7325775), (9, 5697825), (15, 3418695), (21, 2441925), (25, 2051217), (27, 1899275), (35, 1465155), (45, 1139565), (63, 813975), (75, 683739), (105, 488385), (135, 379855), (175, 293031), (189, 271325), (225, 227913), (315, 162795), (525, 97677), (675, 75971), (945, 54265), (1575, 32559), (4725, 10853)]