64716939

素因数分解:

$3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{6803}}^1$

素因数の和:6967

約数の個数: 24

約数和(自身を含む): 107557632

約数和(自身を除く): 42840693

約数列:

[1, 3, 7, 9, 21, 63, 151, 453, 1057, 1359, 3171, 6803, 9513, 20409, 47621, 61227, 142863, 428589, 1027253, 3081759, 7190771, 9245277, 21572313, 64716939]

約数ペア:

[(1, 64716939), (3, 21572313), (7, 9245277), (9, 7190771), (21, 3081759), (63, 1027253), (151, 428589), (453, 142863), (1057, 61227), (1359, 47621), (3171, 20409), (6803, 9513)]