780147315

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{304151}}^1$

素因数の和:304184

約数の個数: 32

約数和(自身を含む): 1459929600

約数和(自身を除く): 679782285

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 304151, 912453, 1520755, 2737359, 4562265, 5778869, 8212077, 13686795, 17336607, 28894345, 41060385, 52009821, 86683035, 156029463, 260049105, 780147315]

約数ペア:

[(1, 780147315), (3, 260049105), (5, 156029463), (9, 86683035), (15, 52009821), (19, 41060385), (27, 28894345), (45, 17336607), (57, 13686795), (95, 8212077), (135, 5778869), (171, 4562265), (285, 2737359), (513, 1520755), (855, 912453), (2565, 304151)]