40193955

素因数分解:

$3^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1721}}^1$

素因数の和:1908

約数の個数: 32

約数和(自身を含む): 71910720

約数和(自身を除く): 31716765

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 173, 519, 865, 1557, 1721, 2595, 4671, 5163, 7785, 8605, 15489, 23355, 25815, 46467, 77445, 232335, 297733, 893199, 1488665, 2679597, 4465995, 8038791, 13397985, 40193955]

約数ペア:

[(1, 40193955), (3, 13397985), (5, 8038791), (9, 4465995), (15, 2679597), (27, 1488665), (45, 893199), (135, 297733), (173, 232335), (519, 77445), (865, 46467), (1557, 25815), (1721, 23355), (2595, 15489), (4671, 8605), (5163, 7785)]