81708375

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1831}}^1$

素因数の和:1873

約数の個数: 64

約数和(自身を含む): 164616192

約数和(自身を除く): 82907817

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 125, 175, 255, 357, 375, 425, 525, 595, 875, 1275, 1785, 1831, 2125, 2625, 2975, 5493, 6375, 8925, 9155, 12817, 14875, 27465, 31127, 38451, 44625, 45775, 64085, 93381, 137325, 155635, 192255, 217889, 228875, 320425, 466905, 653667, 686625, 778175, 961275, 1089445, 1602125, 2334525, 3268335, 3890875, 4806375, 5447225, 11672625, 16341675, 27236125, 81708375]

約数ペア:

[(1, 81708375), (3, 27236125), (5, 16341675), (7, 11672625), (15, 5447225), (17, 4806375), (21, 3890875), (25, 3268335), (35, 2334525), (51, 1602125), (75, 1089445), (85, 961275), (105, 778175), (119, 686625), (125, 653667), (175, 466905), (255, 320425), (357, 228875), (375, 217889), (425, 192255), (525, 155635), (595, 137325), (875, 93381), (1275, 64085), (1785, 45775), (1831, 44625), (2125, 38451), (2625, 31127), (2975, 27465), (5493, 14875), (6375, 12817), (8925, 9155)]