7378215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 12847296

約数和(自身を除く): 5469081

約数列:

[1, 3, 5, 13, 15, 39, 65, 157, 195, 241, 471, 723, 785, 1205, 2041, 2355, 3133, 3615, 6123, 9399, 10205, 15665, 30615, 37837, 46995, 113511, 189185, 491881, 567555, 1475643, 2459405, 7378215]

約数ペア:

[(1, 7378215), (3, 2459405), (5, 1475643), (13, 567555), (15, 491881), (39, 189185), (65, 113511), (157, 46995), (195, 37837), (241, 30615), (471, 15665), (723, 10205), (785, 9399), (1205, 6123), (2041, 3615), (2355, 3133)]