66631971

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{457}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 104467968

約数和(自身を除く): 37835997

約数列:

[1, 3, 7, 21, 53, 131, 159, 371, 393, 457, 917, 1113, 1371, 2751, 3199, 6943, 9597, 20829, 24221, 48601, 59867, 72663, 145803, 169547, 179601, 419069, 508641, 1257207, 3172951, 9518853, 22210657, 66631971]

約数ペア:

[(1, 66631971), (3, 22210657), (7, 9518853), (21, 3172951), (53, 1257207), (131, 508641), (159, 419069), (371, 179601), (393, 169547), (457, 145803), (917, 72663), (1113, 59867), (1371, 48601), (2751, 24221), (3199, 20829), (6943, 9597)]