77217825

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{853}}^1$

素因数の和:954

約数の個数: 48

約数和(自身を含む): 137241216

約数和(自身を除く): 60023391

約数列:

[1, 3, 5, 15, 17, 25, 51, 71, 75, 85, 213, 255, 355, 425, 853, 1065, 1207, 1275, 1775, 2559, 3621, 4265, 5325, 6035, 12795, 14501, 18105, 21325, 30175, 43503, 60563, 63975, 72505, 90525, 181689, 217515, 302815, 362525, 908445, 1029571, 1087575, 1514075, 3088713, 4542225, 5147855, 15443565, 25739275, 77217825]

約数ペア:

[(1, 77217825), (3, 25739275), (5, 15443565), (15, 5147855), (17, 4542225), (25, 3088713), (51, 1514075), (71, 1087575), (75, 1029571), (85, 908445), (213, 362525), (255, 302815), (355, 217515), (425, 181689), (853, 90525), (1065, 72505), (1207, 63975), (1275, 60563), (1775, 43503), (2559, 30175), (3621, 21325), (4265, 18105), (5325, 14501), (6035, 12795)]