64442445

素因数分解:

$3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1\times {\mathrm{271}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 105283584

約数和(自身を除く): 40841139

約数列:

[1, 3, 5, 15, 83, 191, 249, 271, 415, 573, 813, 955, 1245, 1355, 2865, 4065, 15853, 22493, 47559, 51761, 67479, 79265, 112465, 155283, 237795, 258805, 337395, 776415, 4296163, 12888489, 21480815, 64442445]

約数ペア:

[(1, 64442445), (3, 21480815), (5, 12888489), (15, 4296163), (83, 776415), (191, 337395), (249, 258805), (271, 237795), (415, 155283), (573, 112465), (813, 79265), (955, 67479), (1245, 51761), (1355, 47559), (2865, 22493), (4065, 15853)]