31303503

素因数分解:

$3^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 59754240

約数和(自身を除く): 28450737

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 81, 99, 147, 189, 231, 239, 243, 297, 441, 539, 567, 693, 717, 891, 1323, 1617, 1673, 1701, 2079, 2151, 2629, 2673, 3969, 4851, 5019, 6237, 6453, 7887, 11711, 11907, 14553, 15057, 18403, 18711, 19359, 23661, 35133, 43659, 45171, 55209, 58077, 70983, 105399, 128821, 130977, 135513, 165627, 212949, 316197, 386463, 406539, 496881, 638847, 948591, 1159389, 1490643, 2845773, 3478167, 4471929, 10434501, 31303503]

約数ペア:

[(1, 31303503), (3, 10434501), (7, 4471929), (9, 3478167), (11, 2845773), (21, 1490643), (27, 1159389), (33, 948591), (49, 638847), (63, 496881), (77, 406539), (81, 386463), (99, 316197), (147, 212949), (189, 165627), (231, 135513), (239, 130977), (243, 128821), (297, 105399), (441, 70983), (539, 58077), (567, 55209), (693, 45171), (717, 43659), (891, 35133), (1323, 23661), (1617, 19359), (1673, 18711), (1701, 18403), (2079, 15057), (2151, 14553), (2629, 11907), (2673, 11711), (3969, 7887), (4851, 6453), (5019, 6237)]