27899505

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 53280000

約数和(自身を除く): 25380495

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 73, 95, 135, 149, 171, 219, 285, 365, 447, 513, 657, 745, 855, 1095, 1341, 1387, 1971, 2235, 2565, 2831, 3285, 4023, 4161, 6705, 6935, 8493, 9855, 10877, 12483, 14155, 20115, 20805, 25479, 32631, 37449, 42465, 54385, 62415, 76437, 97893, 127395, 163155, 187245, 206663, 293679, 382185, 489465, 619989, 1033315, 1468395, 1859967, 3099945, 5579901, 9299835, 27899505]

約数ペア:

[(1, 27899505), (3, 9299835), (5, 5579901), (9, 3099945), (15, 1859967), (19, 1468395), (27, 1033315), (45, 619989), (57, 489465), (73, 382185), (95, 293679), (135, 206663), (149, 187245), (171, 163155), (219, 127395), (285, 97893), (365, 76437), (447, 62415), (513, 54385), (657, 42465), (745, 37449), (855, 32631), (1095, 25479), (1341, 20805), (1387, 20115), (1971, 14155), (2235, 12483), (2565, 10877), (2831, 9855), (3285, 8493), (4023, 6935), (4161, 6705)]