268520265

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51001}}^1$

素因数の和:51031

約数の個数: 40

約数和(自身を含む): 518384328

約数和(自身を除く): 249864063

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 5265, 51001, 153003, 255005, 459009, 663013, 765015, 1377027, 1989039, 2295045, 3315065, 4131081, 5967117, 6885135, 9945195, 17901351, 20655405, 29835585, 53704053, 89506755, 268520265]

約数ペア:

[(1, 268520265), (3, 89506755), (5, 53704053), (9, 29835585), (13, 20655405), (15, 17901351), (27, 9945195), (39, 6885135), (45, 5967117), (65, 4131081), (81, 3315065), (117, 2295045), (135, 1989039), (195, 1377027), (351, 765015), (405, 663013), (585, 459009), (1053, 255005), (1755, 153003), (5265, 51001)]