563909721

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{991}}^1$

素因数の和:1229

約数の個数: 32

約数和(自身を含む): 809472000

約数和(自身を除く): 245562279

約数列:

[1, 3, 19, 57, 67, 149, 201, 447, 991, 1273, 2831, 2973, 3819, 8493, 9983, 18829, 29949, 56487, 66397, 147659, 189677, 199191, 442977, 569031, 1261543, 2805521, 3784629, 8416563, 9893153, 29679459, 187969907, 563909721]

約数ペア:

[(1, 563909721), (3, 187969907), (19, 29679459), (57, 9893153), (67, 8416563), (149, 3784629), (201, 2805521), (447, 1261543), (991, 569031), (1273, 442977), (2831, 199191), (2973, 189677), (3819, 147659), (8493, 66397), (9983, 56487), (18829, 29949)]