20151018

素因数分解:

$2^1\times 3^7\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 48176640

約数和(自身を除く): 28025622

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 153, 162, 243, 271, 306, 459, 486, 542, 729, 813, 918, 1377, 1458, 1626, 2187, 2439, 2754, 4131, 4374, 4607, 4878, 7317, 8262, 9214, 12393, 13821, 14634, 21951, 24786, 27642, 37179, 41463, 43902, 65853, 74358, 82926, 124389, 131706, 197559, 248778, 373167, 395118, 592677, 746334, 1119501, 1185354, 2239002, 3358503, 6717006, 10075509, 20151018]

約数ペア:

[(1, 20151018), (2, 10075509), (3, 6717006), (6, 3358503), (9, 2239002), (17, 1185354), (18, 1119501), (27, 746334), (34, 592677), (51, 395118), (54, 373167), (81, 248778), (102, 197559), (153, 131706), (162, 124389), (243, 82926), (271, 74358), (306, 65853), (459, 43902), (486, 41463), (542, 37179), (729, 27642), (813, 24786), (918, 21951), (1377, 14634), (1458, 13821), (1626, 12393), (2187, 9214), (2439, 8262), (2754, 7317), (4131, 4878), (4374, 4607)]