30891645

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9949}}^1$

素因数の和:9986

約数の個数: 32

約数和(自身を含む): 57312000

約数和(自身を除く): 26420355

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 9949, 29847, 49745, 89541, 149235, 228827, 268623, 447705, 686481, 1144135, 1343115, 2059443, 3432405, 6178329, 10297215, 30891645]

約数ペア:

[(1, 30891645), (3, 10297215), (5, 6178329), (9, 3432405), (15, 2059443), (23, 1343115), (27, 1144135), (45, 686481), (69, 447705), (115, 268623), (135, 228827), (207, 149235), (345, 89541), (621, 49745), (1035, 29847), (3105, 9949)]