15881706

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 72

約数和(自身を含む): 37930464

約数和(自身を除く): 22048758

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 43, 51, 71, 86, 102, 129, 142, 153, 213, 258, 289, 306, 387, 426, 578, 639, 731, 774, 867, 1207, 1278, 1462, 1734, 2193, 2414, 2601, 3053, 3621, 4386, 5202, 6106, 6579, 7242, 9159, 10863, 12427, 13158, 18318, 20519, 21726, 24854, 27477, 37281, 41038, 51901, 54954, 61557, 74562, 103802, 111843, 123114, 155703, 184671, 223686, 311406, 369342, 467109, 882317, 934218, 1764634, 2646951, 5293902, 7940853, 15881706]

約数ペア:

[(1, 15881706), (2, 7940853), (3, 5293902), (6, 2646951), (9, 1764634), (17, 934218), (18, 882317), (34, 467109), (43, 369342), (51, 311406), (71, 223686), (86, 184671), (102, 155703), (129, 123114), (142, 111843), (153, 103802), (213, 74562), (258, 61557), (289, 54954), (306, 51901), (387, 41038), (426, 37281), (578, 27477), (639, 24854), (731, 21726), (774, 20519), (867, 18318), (1207, 13158), (1278, 12427), (1462, 10863), (1734, 9159), (2193, 7242), (2414, 6579), (2601, 6106), (3053, 5202), (3621, 4386)]