31993605

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2161}}^1$

素因数の和:2226

約数の個数: 48

約数和(自身を含む): 64756224

約数和(自身を除く): 32762619

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 63, 105, 141, 235, 315, 329, 423, 705, 987, 1645, 2115, 2161, 2961, 4935, 6483, 10805, 14805, 15127, 19449, 32415, 45381, 75635, 97245, 101567, 136143, 226905, 304701, 507835, 680715, 710969, 914103, 1523505, 2132907, 3554845, 4570515, 6398721, 10664535, 31993605]

約数ペア:

[(1, 31993605), (3, 10664535), (5, 6398721), (7, 4570515), (9, 3554845), (15, 2132907), (21, 1523505), (35, 914103), (45, 710969), (47, 680715), (63, 507835), (105, 304701), (141, 226905), (235, 136143), (315, 101567), (329, 97245), (423, 75635), (705, 45381), (987, 32415), (1645, 19449), (2115, 15127), (2161, 14805), (2961, 10805), (4935, 6483)]