213281745

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{44021}}^1$

素因数の和:44065

約数の個数: 32

約数和(自身を含む): 380350080

約数和(自身を除く): 167068335

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 4845, 44021, 132063, 220105, 660315, 748357, 836399, 2245071, 2509197, 3741785, 4181995, 11225355, 12545985, 14218783, 42656349, 71093915, 213281745]

約数ペア:

[(1, 213281745), (3, 71093915), (5, 42656349), (15, 14218783), (17, 12545985), (19, 11225355), (51, 4181995), (57, 3741785), (85, 2509197), (95, 2245071), (255, 836399), (285, 748357), (323, 660315), (969, 220105), (1615, 132063), (4845, 44021)]