27381.000000

素因数分解:

$2^1\times 3^7\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:53

約数の個数: 64

約数和(自身を含む): 2479680

約数和(自身を除く): 1513026

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 34, 39, 51, 54, 78, 81, 102, 117, 153, 162, 221, 234, 243, 306, 351, 442, 459, 486, 663, 702, 729, 918, 1053, 1326, 1377, 1458, 1989, 2106, 2187, 2754, 3159, 3978, 4131, 4374, 5967, 6318, 8262, 9477, 11934, 12393, 17901, 18954, 24786, 28431, 35802, 37179, 53703, 56862, 74358, 107406, 161109, 322218, 483327, 966654]

約数ペア:

[(1, 966654), (2, 483327), (3, 322218), (6, 161109), (9, 107406), (13, 74358), (17, 56862), (18, 53703), (26, 37179), (27, 35802), (34, 28431), (39, 24786), (51, 18954), (54, 17901), (78, 12393), (81, 11934), (102, 9477), (117, 8262), (153, 6318), (162, 5967), (221, 4374), (234, 4131), (243, 3978), (306, 3159), (351, 2754), (442, 2187), (459, 2106), (486, 1989), (663, 1458), (702, 1377), (729, 1326), (918, 1053)]