201656025

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1097}}^1$

素因数の和:1175

約数の個数: 72

約数和(自身を含む): 389394720

約数和(自身を除く): 187738695

約数列:

[1, 3, 5, 9, 15, 19, 25, 43, 45, 57, 75, 95, 129, 171, 215, 225, 285, 387, 475, 645, 817, 855, 1075, 1097, 1425, 1935, 2451, 3225, 3291, 4085, 4275, 5485, 7353, 9675, 9873, 12255, 16455, 20425, 20843, 27425, 36765, 47171, 49365, 61275, 62529, 82275, 104215, 141513, 183825, 187587, 235855, 246825, 312645, 424539, 521075, 707565, 896249, 937935, 1179275, 1563225, 2122695, 2688747, 3537825, 4481245, 4689675, 8066241, 10613475, 13443735, 22406225, 40331205, 67218675, 201656025]

約数ペア:

[(1, 201656025), (3, 67218675), (5, 40331205), (9, 22406225), (15, 13443735), (19, 10613475), (25, 8066241), (43, 4689675), (45, 4481245), (57, 3537825), (75, 2688747), (95, 2122695), (129, 1563225), (171, 1179275), (215, 937935), (225, 896249), (285, 707565), (387, 521075), (475, 424539), (645, 312645), (817, 246825), (855, 235855), (1075, 187587), (1097, 183825), (1425, 141513), (1935, 104215), (2451, 82275), (3225, 62529), (3291, 61275), (4085, 49365), (4275, 47171), (5485, 36765), (7353, 27425), (9675, 20843), (9873, 20425), (12255, 16455)]