220778895

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1\times {\mathrm{389}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 357888960

約数和(自身を除く): 137110065

約数列:

[1, 3, 5, 15, 157, 241, 389, 471, 723, 785, 1167, 1205, 1945, 2355, 3615, 5835, 37837, 61073, 93749, 113511, 183219, 189185, 281247, 305365, 468745, 567555, 916095, 1406235, 14718593, 44155779, 73592965, 220778895]

約数ペア:

[(1, 220778895), (3, 73592965), (5, 44155779), (15, 14718593), (157, 1406235), (241, 916095), (389, 567555), (471, 468745), (723, 305365), (785, 281247), (1167, 189185), (1205, 183219), (1945, 113511), (2355, 93749), (3615, 61073), (5835, 37837)]