27880335

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:365

約数の個数: 64

約数和(自身を含む): 57308160

約数和(自身を除く): 29427825

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 163, 181, 189, 315, 489, 543, 815, 905, 945, 1141, 1267, 1467, 1629, 2445, 2715, 3423, 3801, 4401, 4887, 5705, 6335, 7335, 8145, 10269, 11403, 17115, 19005, 22005, 24435, 29503, 30807, 34209, 51345, 57015, 88509, 147515, 154035, 171045, 206521, 265527, 442545, 619563, 796581, 1032605, 1327635, 1858689, 3097815, 3982905, 5576067, 9293445, 27880335]

約数ペア:

[(1, 27880335), (3, 9293445), (5, 5576067), (7, 3982905), (9, 3097815), (15, 1858689), (21, 1327635), (27, 1032605), (35, 796581), (45, 619563), (63, 442545), (105, 265527), (135, 206521), (163, 171045), (181, 154035), (189, 147515), (315, 88509), (489, 57015), (543, 51345), (815, 34209), (905, 30807), (945, 29503), (1141, 24435), (1267, 22005), (1467, 19005), (1629, 17115), (2445, 11403), (2715, 10269), (3423, 8145), (3801, 7335), (4401, 6335), (4887, 5705)]