1390227543

素因数分解:

$3^5\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 2128089600

約数和(自身を除く): 737862057

約数列:

[1, 3, 9, 27, 79, 81, 139, 237, 243, 417, 521, 711, 1251, 1563, 2133, 3753, 4689, 6399, 10981, 11259, 14067, 19197, 32943, 33777, 41159, 42201, 72419, 98829, 123477, 126603, 217257, 296487, 370431, 651771, 889461, 1111293, 1955313, 2668383, 3333879, 5721101, 5865939, 10001637, 17163303, 17597817, 51489909, 154469727, 463409181, 1390227543]

約数ペア:

[(1, 1390227543), (3, 463409181), (9, 154469727), (27, 51489909), (79, 17597817), (81, 17163303), (139, 10001637), (237, 5865939), (243, 5721101), (417, 3333879), (521, 2668383), (711, 1955313), (1251, 1111293), (1563, 889461), (2133, 651771), (3753, 370431), (4689, 296487), (6399, 217257), (10981, 126603), (11259, 123477), (14067, 98829), (19197, 72419), (32943, 42201), (33777, 41159)]