215041249917

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{457}}^1\times {\mathrm{15649}}^1$

素因数の和:16382

約数の個数: 48

約数和(自身を含む): 336566521200

約数和(自身を除く): 121525271283

約数列:

[1, 3, 9, 13, 39, 117, 257, 457, 771, 1371, 2313, 3341, 4113, 5941, 10023, 15649, 17823, 30069, 46947, 53469, 117449, 140841, 203437, 352347, 610311, 1057041, 1526837, 1830933, 4021793, 4580511, 7151593, 12065379, 13741533, 21454779, 36196137, 52283309, 64364337, 92970709, 156849927, 278912127, 470549781, 836736381, 1837959401, 5513878203, 16541634609, 23893472213, 71680416639, 215041249917]

約数ペア:

[(1, 215041249917), (3, 71680416639), (9, 23893472213), (13, 16541634609), (39, 5513878203), (117, 1837959401), (257, 836736381), (457, 470549781), (771, 278912127), (1371, 156849927), (2313, 92970709), (3341, 64364337), (4113, 52283309), (5941, 36196137), (10023, 21454779), (15649, 13741533), (17823, 12065379), (30069, 7151593), (46947, 4580511), (53469, 4021793), (117449, 1830933), (140841, 1526837), (203437, 1057041), (352347, 610311)]