13579407

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:269

約数の個数: 40

約数和(自身を含む): 21849696

約数和(自身を除く): 8270289

約数列:

[1, 3, 9, 23, 27, 37, 69, 81, 111, 197, 207, 333, 591, 621, 851, 999, 1773, 1863, 2553, 2997, 4531, 5319, 7289, 7659, 13593, 15957, 21867, 22977, 40779, 65601, 68931, 122337, 167647, 196803, 367011, 502941, 590409, 1508823, 4526469, 13579407]

約数ペア:

[(1, 13579407), (3, 4526469), (9, 1508823), (23, 590409), (27, 502941), (37, 367011), (69, 196803), (81, 167647), (111, 122337), (197, 68931), (207, 65601), (333, 40779), (591, 22977), (621, 21867), (851, 15957), (999, 13593), (1773, 7659), (1863, 7289), (2553, 5319), (2997, 4531)]