51383775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 90851328

約数和(自身を除く): 39467553

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 191, 211, 255, 425, 573, 633, 955, 1055, 1275, 2865, 3165, 3247, 3587, 4775, 5275, 9741, 10761, 14325, 15825, 16235, 17935, 40301, 48705, 53805, 81175, 89675, 120903, 201505, 243525, 269025, 604515, 685117, 1007525, 2055351, 3022575, 3425585, 10276755, 17127925, 51383775]

約数ペア:

[(1, 51383775), (3, 17127925), (5, 10276755), (15, 3425585), (17, 3022575), (25, 2055351), (51, 1007525), (75, 685117), (85, 604515), (191, 269025), (211, 243525), (255, 201505), (425, 120903), (573, 89675), (633, 81175), (955, 53805), (1055, 48705), (1275, 40301), (2865, 17935), (3165, 16235), (3247, 15825), (3587, 14325), (4775, 10761), (5275, 9741)]