28705833

素因数分解:

$3^6\times {\mathrm{13}}^2\times {\mathrm{233}}^1$

素因数の和:277

約数の個数: 42

約数和(自身を含む): 46804446

約数和(自身を除く): 18098613

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 169, 233, 243, 351, 507, 699, 729, 1053, 1521, 2097, 3029, 3159, 4563, 6291, 9087, 9477, 13689, 18873, 27261, 39377, 41067, 56619, 81783, 118131, 123201, 169857, 245349, 354393, 736047, 1063179, 2208141, 3189537, 9568611, 28705833]

約数ペア:

[(1, 28705833), (3, 9568611), (9, 3189537), (13, 2208141), (27, 1063179), (39, 736047), (81, 354393), (117, 245349), (169, 169857), (233, 123201), (243, 118131), (351, 81783), (507, 56619), (699, 41067), (729, 39377), (1053, 27261), (1521, 18873), (2097, 13689), (3029, 9477), (3159, 9087), (4563, 6291)]