278327295

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{887}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 509783040

約数和(自身を除く): 231455745

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 367, 855, 887, 1101, 1835, 2661, 3303, 4435, 5505, 6973, 7983, 13305, 16515, 16853, 20919, 34865, 39915, 50559, 62757, 84265, 104595, 151677, 252795, 313785, 325529, 758385, 976587, 1627645, 2929761, 4882935, 6185051, 14648805, 18555153, 30925255, 55665459, 92775765, 278327295]

約数ペア:

[(1, 278327295), (3, 92775765), (5, 55665459), (9, 30925255), (15, 18555153), (19, 14648805), (45, 6185051), (57, 4882935), (95, 2929761), (171, 1627645), (285, 976587), (367, 758385), (855, 325529), (887, 313785), (1101, 252795), (1835, 151677), (2661, 104595), (3303, 84265), (4435, 62757), (5505, 50559), (6973, 39915), (7983, 34865), (13305, 20919), (16515, 16853)]