7945425

素因数分解:

$3^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 48

約数和(自身を含む): 14880000

約数和(自身を除く): 6934575

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 79, 135, 149, 225, 237, 395, 447, 675, 711, 745, 1185, 1341, 1975, 2133, 2235, 3555, 3725, 4023, 5925, 6705, 10665, 11175, 11771, 17775, 20115, 33525, 35313, 53325, 58855, 100575, 105939, 176565, 294275, 317817, 529695, 882825, 1589085, 2648475, 7945425]

約数ペア:

[(1, 7945425), (3, 2648475), (5, 1589085), (9, 882825), (15, 529695), (25, 317817), (27, 294275), (45, 176565), (75, 105939), (79, 100575), (135, 58855), (149, 53325), (225, 35313), (237, 33525), (395, 20115), (447, 17775), (675, 11771), (711, 11175), (745, 10665), (1185, 6705), (1341, 5925), (1975, 4023), (2133, 3725), (2235, 3555)]