719005995

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1619}}^1$

素因数の和:1840

約数の個数: 48

約数和(自身を含む): 1273708800

約数和(自身を除く): 554702805

約数列:

[1, 3, 5, 9, 15, 45, 71, 139, 213, 355, 417, 639, 695, 1065, 1251, 1619, 2085, 3195, 4857, 6255, 8095, 9869, 14571, 24285, 29607, 49345, 72855, 88821, 114949, 148035, 225041, 344847, 444105, 574745, 675123, 1034541, 1125205, 1724235, 2025369, 3375615, 5172705, 10126845, 15977911, 47933733, 79889555, 143801199, 239668665, 719005995]

約数ペア:

[(1, 719005995), (3, 239668665), (5, 143801199), (9, 79889555), (15, 47933733), (45, 15977911), (71, 10126845), (139, 5172705), (213, 3375615), (355, 2025369), (417, 1724235), (639, 1125205), (695, 1034541), (1065, 675123), (1251, 574745), (1619, 444105), (2085, 344847), (3195, 225041), (4857, 148035), (6255, 114949), (8095, 88821), (9869, 72855), (14571, 49345), (24285, 29607)]