40881825

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 78730080

約数和(自身を除く): 37848255

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 73, 75, 95, 131, 171, 219, 225, 285, 365, 393, 475, 655, 657, 855, 1095, 1179, 1387, 1425, 1825, 1965, 2489, 3275, 3285, 4161, 4275, 5475, 5895, 6935, 7467, 9563, 9825, 12445, 12483, 16425, 20805, 22401, 28689, 29475, 34675, 37335, 47815, 62225, 62415, 86067, 104025, 112005, 143445, 181697, 186675, 239075, 312075, 430335, 545091, 560025, 717225, 908485, 1635273, 2151675, 2725455, 4542425, 8176365, 13627275, 40881825]

約数ペア:

[(1, 40881825), (3, 13627275), (5, 8176365), (9, 4542425), (15, 2725455), (19, 2151675), (25, 1635273), (45, 908485), (57, 717225), (73, 560025), (75, 545091), (95, 430335), (131, 312075), (171, 239075), (219, 186675), (225, 181697), (285, 143445), (365, 112005), (393, 104025), (475, 86067), (655, 62415), (657, 62225), (855, 47815), (1095, 37335), (1179, 34675), (1387, 29475), (1425, 28689), (1825, 22401), (1965, 20805), (2489, 16425), (3275, 12483), (3285, 12445), (4161, 9825), (4275, 9563), (5475, 7467), (5895, 6935)]