31300353

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 55244800

約数和(自身を除く): 23944447

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 79, 133, 171, 237, 331, 399, 553, 711, 993, 1197, 1501, 1659, 2317, 2979, 4503, 4977, 6289, 6951, 10507, 13509, 18867, 20853, 26149, 31521, 44023, 56601, 78447, 94563, 132069, 183043, 235341, 396207, 496831, 549129, 1490493, 1647387, 3477817, 4471479, 10433451, 31300353]

約数ペア:

[(1, 31300353), (3, 10433451), (7, 4471479), (9, 3477817), (19, 1647387), (21, 1490493), (57, 549129), (63, 496831), (79, 396207), (133, 235341), (171, 183043), (237, 132069), (331, 94563), (399, 78447), (553, 56601), (711, 44023), (993, 31521), (1197, 26149), (1501, 20853), (1659, 18867), (2317, 13509), (2979, 10507), (4503, 6951), (4977, 6289)]