30116919

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 50561280

約数和(自身を除く): 20444361

約数列:

[1, 3, 7, 19, 21, 41, 49, 57, 123, 133, 147, 263, 287, 399, 779, 789, 861, 931, 1841, 2009, 2337, 2793, 4997, 5453, 5523, 6027, 10783, 12887, 14991, 16359, 32349, 34979, 38171, 38661, 75481, 104937, 114513, 204877, 226443, 244853, 528367, 614631, 734559, 1434139, 1585101, 4302417, 10038973, 30116919]

約数ペア:

[(1, 30116919), (3, 10038973), (7, 4302417), (19, 1585101), (21, 1434139), (41, 734559), (49, 614631), (57, 528367), (123, 244853), (133, 226443), (147, 204877), (263, 114513), (287, 104937), (399, 75481), (779, 38661), (789, 38171), (861, 34979), (931, 32349), (1841, 16359), (2009, 14991), (2337, 12887), (2793, 10783), (4997, 6027), (5453, 5523)]