67820905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{307}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 91010304

約数和(自身を除く): 23189399

約数列:

[1, 5, 17, 23, 85, 113, 115, 307, 391, 565, 1535, 1921, 1955, 2599, 5219, 7061, 9605, 12995, 26095, 34691, 35305, 44183, 120037, 173455, 220915, 589747, 600185, 797893, 2948735, 3989465, 13564181, 67820905]

約数ペア:

[(1, 67820905), (5, 13564181), (17, 3989465), (23, 2948735), (85, 797893), (113, 600185), (115, 589747), (307, 220915), (391, 173455), (565, 120037), (1535, 44183), (1921, 35305), (1955, 34691), (2599, 26095), (5219, 12995), (7061, 9605)]