27779955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 26963085

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 79, 85, 105, 119, 197, 237, 255, 357, 395, 553, 591, 595, 985, 1185, 1343, 1379, 1659, 1785, 2765, 2955, 3349, 4029, 4137, 6715, 6895, 8295, 9401, 10047, 15563, 16745, 20145, 20685, 23443, 28203, 46689, 47005, 50235, 70329, 77815, 108941, 117215, 141015, 233445, 264571, 326823, 351645, 544705, 793713, 1322855, 1634115, 1851997, 3968565, 5555991, 9259985, 27779955]

約数ペア:

[(1, 27779955), (3, 9259985), (5, 5555991), (7, 3968565), (15, 1851997), (17, 1634115), (21, 1322855), (35, 793713), (51, 544705), (79, 351645), (85, 326823), (105, 264571), (119, 233445), (197, 141015), (237, 117215), (255, 108941), (357, 77815), (395, 70329), (553, 50235), (591, 47005), (595, 46689), (985, 28203), (1185, 23443), (1343, 20685), (1379, 20145), (1659, 16745), (1785, 15563), (2765, 10047), (2955, 9401), (3349, 8295), (4029, 6895), (4137, 6715)]