3970701

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:215

約数の個数: 40

約数和(自身を含む): 6969600

約数和(自身を除く): 2998899

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 141, 149, 189, 329, 423, 447, 567, 987, 1043, 1269, 1341, 2961, 3129, 3807, 4023, 7003, 8883, 9387, 12069, 21009, 26649, 28161, 49021, 63027, 84483, 147063, 189081, 441189, 567243, 1323567, 3970701]

約数ペア:

[(1, 3970701), (3, 1323567), (7, 567243), (9, 441189), (21, 189081), (27, 147063), (47, 84483), (63, 63027), (81, 49021), (141, 28161), (149, 26649), (189, 21009), (329, 12069), (423, 9387), (447, 8883), (567, 7003), (987, 4023), (1043, 3807), (1269, 3129), (1341, 2961)]