77748225

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^3\times {\mathrm{211}}^1$

素因数の和:275

約数の個数: 48

約数和(自身を含む): 137223360

約数和(自身を除く): 59475135

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 211, 255, 289, 425, 633, 867, 1055, 1275, 1445, 3165, 3587, 4335, 4913, 5275, 7225, 10761, 14739, 15825, 17935, 21675, 24565, 53805, 60979, 73695, 89675, 122825, 182937, 269025, 304895, 368475, 914685, 1036643, 1524475, 3109929, 4573425, 5183215, 15549645, 25916075, 77748225]

約数ペア:

[(1, 77748225), (3, 25916075), (5, 15549645), (15, 5183215), (17, 4573425), (25, 3109929), (51, 1524475), (75, 1036643), (85, 914685), (211, 368475), (255, 304895), (289, 269025), (425, 182937), (633, 122825), (867, 89675), (1055, 73695), (1275, 60979), (1445, 53805), (3165, 24565), (3587, 21675), (4335, 17935), (4913, 15825), (5275, 14739), (7225, 10761)]