81315144

素因数分解:

$2^3\times 3^3\times {\mathrm{53}}^1\times {\mathrm{7103}}^1$

素因数の和:7171

約数の個数: 64

約数和(自身を含む): 230169600

約数和(自身を除く): 148854456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 53, 54, 72, 106, 108, 159, 212, 216, 318, 424, 477, 636, 954, 1272, 1431, 1908, 2862, 3816, 5724, 7103, 11448, 14206, 21309, 28412, 42618, 56824, 63927, 85236, 127854, 170472, 191781, 255708, 376459, 383562, 511416, 752918, 767124, 1129377, 1505836, 1534248, 2258754, 3011672, 3388131, 4517508, 6776262, 9035016, 10164393, 13552524, 20328786, 27105048, 40657572, 81315144]

約数ペア:

[(1, 81315144), (2, 40657572), (3, 27105048), (4, 20328786), (6, 13552524), (8, 10164393), (9, 9035016), (12, 6776262), (18, 4517508), (24, 3388131), (27, 3011672), (36, 2258754), (53, 1534248), (54, 1505836), (72, 1129377), (106, 767124), (108, 752918), (159, 511416), (212, 383562), (216, 376459), (318, 255708), (424, 191781), (477, 170472), (636, 127854), (954, 85236), (1272, 63927), (1431, 56824), (1908, 42618), (2862, 28412), (3816, 21309), (5724, 14206), (7103, 11448)]