27861165

素因数分解:

$3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 52311168

約数和(自身を除く): 24450003

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 243, 345, 405, 621, 997, 1035, 1215, 1863, 2991, 3105, 4985, 5589, 8973, 9315, 14955, 22931, 26919, 27945, 44865, 68793, 80757, 114655, 134595, 206379, 242271, 343965, 403785, 619137, 1031895, 1211355, 1857411, 3095685, 5572233, 9287055, 27861165]

約数ペア:

[(1, 27861165), (3, 9287055), (5, 5572233), (9, 3095685), (15, 1857411), (23, 1211355), (27, 1031895), (45, 619137), (69, 403785), (81, 343965), (115, 242271), (135, 206379), (207, 134595), (243, 114655), (345, 80757), (405, 68793), (621, 44865), (997, 27945), (1035, 26919), (1215, 22931), (1863, 14955), (2991, 9315), (3105, 8973), (4985, 5589)]