289718787

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{2161}}^1$

素因数の和:2283

約数の個数: 32

約数和(自身を含む): 423406080

約数和(自身を除く): 133687293

約数列:

[1, 3, 23, 29, 67, 69, 87, 201, 667, 1541, 1943, 2001, 2161, 4623, 5829, 6483, 44689, 49703, 62669, 134067, 144787, 149109, 188007, 434361, 1441387, 3330101, 4198823, 4324161, 9990303, 12596469, 96572929, 289718787]

約数ペア:

[(1, 289718787), (3, 96572929), (23, 12596469), (29, 9990303), (67, 4324161), (69, 4198823), (87, 3330101), (201, 1441387), (667, 434361), (1541, 188007), (1943, 149109), (2001, 144787), (2161, 134067), (4623, 62669), (5829, 49703), (6483, 44689)]