64639197

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{54001}}^1$

素因数の和:54033

約数の個数: 24

約数和(自身を含む): 112324160

約数和(自身を除く): 47684963

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 54001, 162003, 378007, 486009, 1026019, 1134021, 3078057, 3402063, 7182133, 9234171, 21546399, 64639197]

約数ペア:

[(1, 64639197), (3, 21546399), (7, 9234171), (9, 7182133), (19, 3402063), (21, 3078057), (57, 1134021), (63, 1026019), (133, 486009), (171, 378007), (399, 162003), (1197, 54001)]