397482921

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{293}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 640628352

約数和(自身を除く): 243145431

約数列:

[1, 3, 9, 11, 33, 71, 99, 193, 213, 293, 579, 639, 781, 879, 1737, 2123, 2343, 2637, 3223, 6369, 7029, 9669, 13703, 19107, 20803, 29007, 41109, 56549, 62409, 123327, 150733, 169647, 187227, 228833, 452199, 508941, 622039, 686499, 1356597, 1866117, 2059497, 4014979, 5598351, 12044937, 36134811, 44164769, 132494307, 397482921]

約数ペア:

[(1, 397482921), (3, 132494307), (9, 44164769), (11, 36134811), (33, 12044937), (71, 5598351), (99, 4014979), (193, 2059497), (213, 1866117), (293, 1356597), (579, 686499), (639, 622039), (781, 508941), (879, 452199), (1737, 228833), (2123, 187227), (2343, 169647), (2637, 150733), (3223, 123327), (6369, 62409), (7029, 56549), (9669, 41109), (13703, 29007), (19107, 20803)]