27817587

素因数分解:

$3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:781

約数の個数: 40

約数和(自身を含む): 48229632

約数和(自身を除く): 20412045

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 189, 213, 497, 567, 639, 691, 1491, 1917, 2073, 4473, 4837, 5751, 6219, 13419, 14511, 18657, 40257, 43533, 49061, 55971, 130599, 147183, 343427, 391797, 441549, 1030281, 1324647, 3090843, 3973941, 9272529, 27817587]

約数ペア:

[(1, 27817587), (3, 9272529), (7, 3973941), (9, 3090843), (21, 1324647), (27, 1030281), (63, 441549), (71, 391797), (81, 343427), (189, 147183), (213, 130599), (497, 55971), (567, 49061), (639, 43533), (691, 40257), (1491, 18657), (1917, 14511), (2073, 13419), (4473, 6219), (4837, 5751)]