16367985

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 29652480

約数和(自身を除く): 13284495

約数列:

[1, 3, 5, 9, 15, 45, 47, 71, 109, 141, 213, 235, 327, 355, 423, 545, 639, 705, 981, 1065, 1635, 2115, 3195, 3337, 4905, 5123, 7739, 10011, 15369, 16685, 23217, 25615, 30033, 38695, 46107, 50055, 69651, 76845, 116085, 150165, 230535, 348255, 363733, 1091199, 1818665, 3273597, 5455995, 16367985]

約数ペア:

[(1, 16367985), (3, 5455995), (5, 3273597), (9, 1818665), (15, 1091199), (45, 363733), (47, 348255), (71, 230535), (109, 150165), (141, 116085), (213, 76845), (235, 69651), (327, 50055), (355, 46107), (423, 38695), (545, 30033), (639, 25615), (705, 23217), (981, 16685), (1065, 15369), (1635, 10011), (2115, 7739), (3195, 5123), (3337, 4905)]