681909987

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1\times {\mathrm{1723}}^1$

素因数の和:1983

約数の個数: 32

約数和(自身を含む): 1012884480

約数和(自身を除く): 330974493

約数列:

[1, 3, 11, 33, 67, 179, 201, 537, 737, 1723, 1969, 2211, 5169, 5907, 11993, 18953, 35979, 56859, 115441, 131923, 308417, 346323, 395769, 925251, 1269851, 3392587, 3809553, 10177761, 20663939, 61991817, 227303329, 681909987]

約数ペア:

[(1, 681909987), (3, 227303329), (11, 61991817), (33, 20663939), (67, 10177761), (179, 3809553), (201, 3392587), (537, 1269851), (737, 925251), (1723, 395769), (1969, 346323), (2211, 308417), (5169, 131923), (5907, 115441), (11993, 56859), (18953, 35979)]