71973027

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 123002880

約数和(自身を除く): 51029853

約数列:

[1, 3, 7, 9, 21, 47, 63, 109, 141, 223, 327, 329, 423, 669, 763, 981, 987, 1561, 2007, 2289, 2961, 4683, 5123, 6867, 10481, 14049, 15369, 24307, 31443, 35861, 46107, 72921, 73367, 94329, 107583, 170149, 218763, 220101, 322749, 510447, 660303, 1142429, 1531341, 3427287, 7997003, 10281861, 23991009, 71973027]

約数ペア:

[(1, 71973027), (3, 23991009), (7, 10281861), (9, 7997003), (21, 3427287), (47, 1531341), (63, 1142429), (109, 660303), (141, 510447), (223, 322749), (327, 220101), (329, 218763), (423, 170149), (669, 107583), (763, 94329), (981, 73367), (987, 72921), (1561, 46107), (2007, 35861), (2289, 31443), (2961, 24307), (4683, 15369), (5123, 14049), (6867, 10481)]