16878537

素因数分解:

$3^6\times {\mathrm{13}}^2\times {\mathrm{137}}^1$

素因数の和:181

約数の個数: 42

約数和(自身を含む): 27602622

約数和(自身を除く): 10724085

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 137, 169, 243, 351, 411, 507, 729, 1053, 1233, 1521, 1781, 3159, 3699, 4563, 5343, 9477, 11097, 13689, 16029, 23153, 33291, 41067, 48087, 69459, 99873, 123201, 144261, 208377, 432783, 625131, 1298349, 1875393, 5626179, 16878537]

約数ペア:

[(1, 16878537), (3, 5626179), (9, 1875393), (13, 1298349), (27, 625131), (39, 432783), (81, 208377), (117, 144261), (137, 123201), (169, 99873), (243, 69459), (351, 48087), (411, 41067), (507, 33291), (729, 23153), (1053, 16029), (1233, 13689), (1521, 11097), (1781, 9477), (3159, 5343), (3699, 4563)]