637224219

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{491}}^1\times {\mathrm{677}}^1$

素因数の和:1248

約数の個数: 32

約数和(自身を含む): 960698880

約数和(自身を除く): 323474661

約数列:

[1, 3, 9, 27, 71, 213, 491, 639, 677, 1473, 1917, 2031, 4419, 6093, 13257, 18279, 34861, 48067, 104583, 144201, 313749, 332407, 432603, 941247, 997221, 1297809, 2991663, 8974989, 23600897, 70802691, 212408073, 637224219]

約数ペア:

[(1, 637224219), (3, 212408073), (9, 70802691), (27, 23600897), (71, 8974989), (213, 2991663), (491, 1297809), (639, 997221), (677, 941247), (1473, 432603), (1917, 332407), (2031, 313749), (4419, 144201), (6093, 104583), (13257, 48067), (18279, 34861)]