25278165

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{229}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 48222720

約数和(自身を除く): 22944555

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 223, 229, 495, 669, 687, 1115, 1145, 2007, 2061, 2453, 2519, 3345, 3435, 7359, 7557, 10035, 10305, 12265, 12595, 22077, 22671, 36795, 37785, 51067, 110385, 113355, 153201, 255335, 459603, 561737, 766005, 1685211, 2298015, 2808685, 5055633, 8426055, 25278165]

約数ペア:

[(1, 25278165), (3, 8426055), (5, 5055633), (9, 2808685), (11, 2298015), (15, 1685211), (33, 766005), (45, 561737), (55, 459603), (99, 255335), (165, 153201), (223, 113355), (229, 110385), (495, 51067), (669, 37785), (687, 36795), (1115, 22671), (1145, 22077), (2007, 12595), (2061, 12265), (2453, 10305), (2519, 10035), (3345, 7557), (3435, 7359)]