1808854551

素因数分解:

$3^3\times 7^2\times {\mathrm{101}}^1\times {\mathrm{13537}}^1$

素因数の和:13661

約数の個数: 48

約数和(自身を含む): 3148397280

約数和(自身を除く): 1339542729

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 101, 147, 189, 303, 441, 707, 909, 1323, 2121, 2727, 4949, 6363, 13537, 14847, 19089, 40611, 44541, 94759, 121833, 133623, 284277, 365499, 663313, 852831, 1367237, 1989939, 2558493, 4101711, 5969817, 9570659, 12305133, 17909451, 28711977, 36915399, 66994613, 86135931, 200983839, 258407793, 602951517, 1808854551]

約数ペア:

[(1, 1808854551), (3, 602951517), (7, 258407793), (9, 200983839), (21, 86135931), (27, 66994613), (49, 36915399), (63, 28711977), (101, 17909451), (147, 12305133), (189, 9570659), (303, 5969817), (441, 4101711), (707, 2558493), (909, 1989939), (1323, 1367237), (2121, 852831), (2727, 663313), (4949, 365499), (6363, 284277), (13537, 133623), (14847, 121833), (19089, 94759), (40611, 44541)]