13419225

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 26243360

約数和(自身を除く): 12824135

約数列:

[1, 3, 5, 9, 15, 19, 25, 43, 45, 57, 73, 75, 95, 129, 171, 215, 219, 225, 285, 365, 387, 475, 645, 657, 817, 855, 1075, 1095, 1387, 1425, 1825, 1935, 2451, 3139, 3225, 3285, 4085, 4161, 4275, 5475, 6935, 7353, 9417, 9675, 12255, 12483, 15695, 16425, 20425, 20805, 28251, 34675, 36765, 47085, 59641, 61275, 62415, 78475, 104025, 141255, 178923, 183825, 235425, 298205, 312075, 536769, 706275, 894615, 1491025, 2683845, 4473075, 13419225]

約数ペア:

[(1, 13419225), (3, 4473075), (5, 2683845), (9, 1491025), (15, 894615), (19, 706275), (25, 536769), (43, 312075), (45, 298205), (57, 235425), (73, 183825), (75, 178923), (95, 141255), (129, 104025), (171, 78475), (215, 62415), (219, 61275), (225, 59641), (285, 47085), (365, 36765), (387, 34675), (475, 28251), (645, 20805), (657, 20425), (817, 16425), (855, 15695), (1075, 12483), (1095, 12255), (1387, 9675), (1425, 9417), (1825, 7353), (1935, 6935), (2451, 5475), (3139, 4275), (3225, 4161), (3285, 4085)]