137747967

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 227088000

約数和(自身を除く): 89340033

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 149, 331, 399, 447, 931, 993, 1043, 2317, 2793, 2831, 3129, 6289, 6951, 7301, 8493, 16219, 18867, 19817, 21903, 44023, 48657, 49319, 59451, 132069, 138719, 147957, 308161, 345233, 416157, 924483, 937061, 1035699, 2416631, 2811183, 6559427, 7249893, 19678281, 45915989, 137747967]

約数ペア:

[(1, 137747967), (3, 45915989), (7, 19678281), (19, 7249893), (21, 6559427), (49, 2811183), (57, 2416631), (133, 1035699), (147, 937061), (149, 924483), (331, 416157), (399, 345233), (447, 308161), (931, 147957), (993, 138719), (1043, 132069), (2317, 59451), (2793, 49319), (2831, 48657), (3129, 44023), (6289, 21903), (6951, 19817), (7301, 18867), (8493, 16219)]