20134221

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1453}}^1$

素因数の和:1636

約数の個数: 16

約数和(自身を含む): 27916800

約数和(自身を除く): 7782579

約数列:

[1, 3, 31, 93, 149, 447, 1453, 4359, 4619, 13857, 45043, 135129, 216497, 649491, 6711407, 20134221]

約数ペア:

[(1, 20134221), (3, 6711407), (31, 649491), (93, 216497), (149, 135129), (447, 45043), (1453, 13857), (4359, 4619)]