51144513

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{313}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 81027072

約数和(自身を除く): 29882559

約数列:

[1, 3, 7, 21, 31, 93, 217, 251, 313, 651, 753, 939, 1757, 2191, 5271, 6573, 7781, 9703, 23343, 29109, 54467, 67921, 78563, 163401, 203763, 235689, 549941, 1649823, 2435453, 7306359, 17048171, 51144513]

約数ペア:

[(1, 51144513), (3, 17048171), (7, 7306359), (21, 2435453), (31, 1649823), (93, 549941), (217, 235689), (251, 203763), (313, 163401), (651, 78563), (753, 67921), (939, 54467), (1757, 29109), (2191, 23343), (5271, 9703), (6573, 7781)]