207947115

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{81071}}^1$

素因数の和:81104

約数の個数: 32

約数和(自身を含む): 389145600

約数和(自身を除く): 181198485

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 81071, 243213, 405355, 729639, 1216065, 1540349, 2188917, 3648195, 4621047, 7701745, 10944585, 13863141, 23105235, 41589423, 69315705, 207947115]

約数ペア:

[(1, 207947115), (3, 69315705), (5, 41589423), (9, 23105235), (15, 13863141), (19, 10944585), (27, 7701745), (45, 4621047), (57, 3648195), (95, 2188917), (135, 1540349), (171, 1216065), (285, 729639), (513, 405355), (855, 243213), (2565, 81071)]