155969955

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20269}}^1$

素因数の和:20305

約数の個数: 40

約数和(自身を含む): 294320400

約数和(自身を除く): 138350445

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2565, 7695, 20269, 60807, 101345, 182421, 304035, 385111, 547263, 912105, 1155333, 1641789, 1925555, 2736315, 3465999, 5776665, 8208945, 10397997, 17329995, 31193991, 51989985, 155969955]

約数ペア:

[(1, 155969955), (3, 51989985), (5, 31193991), (9, 17329995), (15, 10397997), (19, 8208945), (27, 5776665), (45, 3465999), (57, 2736315), (81, 1925555), (95, 1641789), (135, 1155333), (171, 912105), (285, 547263), (405, 385111), (513, 304035), (855, 182421), (1539, 101345), (2565, 60807), (7695, 20269)]