1388896905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{115309}}^1$

素因数の和:115401

約数の個数: 32

約数和(自身を含む): 2457486720

約数和(自身を除く): 1068589815

約数列:

[1, 3, 5, 11, 15, 33, 55, 73, 165, 219, 365, 803, 1095, 2409, 4015, 12045, 115309, 345927, 576545, 1268399, 1729635, 3805197, 6341995, 8417557, 19025985, 25252671, 42087785, 92593127, 126263355, 277779381, 462965635, 1388896905]

約数ペア:

[(1, 1388896905), (3, 462965635), (5, 277779381), (11, 126263355), (15, 92593127), (33, 42087785), (55, 25252671), (73, 19025985), (165, 8417557), (219, 6341995), (365, 3805197), (803, 1729635), (1095, 1268399), (2409, 576545), (4015, 345927), (12045, 115309)]