15258775

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 23998464

約数和(自身を除く): 8739689

約数列:

[1, 5, 7, 17, 23, 25, 35, 85, 115, 119, 161, 175, 223, 391, 425, 575, 595, 805, 1115, 1561, 1955, 2737, 2975, 3791, 4025, 5129, 5575, 7805, 9775, 13685, 18955, 25645, 26537, 35903, 39025, 68425, 87193, 94775, 128225, 132685, 179515, 435965, 610351, 663425, 897575, 2179825, 3051755, 15258775]

約数ペア:

[(1, 15258775), (5, 3051755), (7, 2179825), (17, 897575), (23, 663425), (25, 610351), (35, 435965), (85, 179515), (115, 132685), (119, 128225), (161, 94775), (175, 87193), (223, 68425), (391, 39025), (425, 35903), (575, 26537), (595, 25645), (805, 18955), (1115, 13685), (1561, 9775), (1955, 7805), (2737, 5575), (2975, 5129), (3791, 4025)]