15180865

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 21772800

約数和(自身を除く): 6591935

約数列:

[1, 5, 7, 35, 41, 71, 149, 205, 287, 355, 497, 745, 1043, 1435, 2485, 2911, 5215, 6109, 10579, 14555, 20377, 30545, 42763, 52895, 74053, 101885, 213815, 370265, 433739, 2168695, 3036173, 15180865]

約数ペア:

[(1, 15180865), (5, 3036173), (7, 2168695), (35, 433739), (41, 370265), (71, 213815), (149, 101885), (205, 74053), (287, 52895), (355, 42763), (497, 30545), (745, 20377), (1043, 14555), (1435, 10579), (2485, 6109), (2911, 5215)]