72355647

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2477}}^1$

素因数の和:2607

約数の個数: 32

約数和(自身を含む): 119895552

約数和(自身を除く): 47539905

約数列:

[1, 3, 7, 13, 21, 39, 91, 107, 273, 321, 749, 1391, 2247, 2477, 4173, 7431, 9737, 17339, 29211, 32201, 52017, 96603, 225407, 265039, 676221, 795117, 1855273, 3445507, 5565819, 10336521, 24118549, 72355647]

約数ペア:

[(1, 72355647), (3, 24118549), (7, 10336521), (13, 5565819), (21, 3445507), (39, 1855273), (91, 795117), (107, 676221), (273, 265039), (321, 225407), (749, 96603), (1391, 52017), (2247, 32201), (2477, 29211), (4173, 17339), (7431, 9737)]