13898775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1032

約数の個数: 48

約数和(自身を含む): 26569728

約数和(自身を除く): 12670953

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 165, 187, 255, 275, 425, 561, 825, 935, 991, 1275, 2805, 2973, 4675, 4955, 10901, 14025, 14865, 16847, 24775, 32703, 50541, 54505, 74325, 84235, 163515, 185317, 252705, 272525, 421175, 555951, 817575, 926585, 1263525, 2779755, 4632925, 13898775]

約数ペア:

[(1, 13898775), (3, 4632925), (5, 2779755), (11, 1263525), (15, 926585), (17, 817575), (25, 555951), (33, 421175), (51, 272525), (55, 252705), (75, 185317), (85, 163515), (165, 84235), (187, 74325), (255, 54505), (275, 50541), (425, 32703), (561, 24775), (825, 16847), (935, 14865), (991, 14025), (1275, 10901), (2805, 4955), (2973, 4675)]