66964779

素因数分解:

$3^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2549}}^1$

素因数の和:2704

約数の個数: 32

約数和(自身を含む): 114240000

約数和(自身を除く): 47275221

約数列:

[1, 3, 7, 9, 21, 27, 63, 139, 189, 417, 973, 1251, 2549, 2919, 3753, 7647, 8757, 17843, 22941, 26271, 53529, 68823, 160587, 354311, 481761, 1062933, 2480177, 3188799, 7440531, 9566397, 22321593, 66964779]

約数ペア:

[(1, 66964779), (3, 22321593), (7, 9566397), (9, 7440531), (21, 3188799), (27, 2480177), (63, 1062933), (139, 481761), (189, 354311), (417, 160587), (973, 68823), (1251, 53529), (2549, 26271), (2919, 22941), (3753, 17843), (7647, 8757)]