28517955

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2129}}^1$

素因数の和:2203

約数の個数: 32

約数和(自身を含む): 49075200

約数和(自身を除く): 20557245

約数列:

[1, 3, 5, 15, 19, 47, 57, 95, 141, 235, 285, 705, 893, 2129, 2679, 4465, 6387, 10645, 13395, 31935, 40451, 100063, 121353, 202255, 300189, 500315, 606765, 1500945, 1901197, 5703591, 9505985, 28517955]

約数ペア:

[(1, 28517955), (3, 9505985), (5, 5703591), (15, 1901197), (19, 1500945), (47, 606765), (57, 500315), (95, 300189), (141, 202255), (235, 121353), (285, 100063), (705, 40451), (893, 31935), (2129, 13395), (2679, 10645), (4465, 6387)]