64992681

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 105670656

約数和(自身を除く): 40677975

約数列:

[1, 3, 9, 13, 39, 47, 53, 117, 141, 159, 223, 423, 477, 611, 669, 689, 1833, 2007, 2067, 2491, 2899, 5499, 6201, 7473, 8697, 10481, 11819, 22419, 26091, 31443, 32383, 35457, 94329, 97149, 106371, 136253, 153647, 291447, 408759, 460941, 555493, 1226277, 1382823, 1666479, 4999437, 7221409, 21664227, 64992681]

約数ペア:

[(1, 64992681), (3, 21664227), (9, 7221409), (13, 4999437), (39, 1666479), (47, 1382823), (53, 1226277), (117, 555493), (141, 460941), (159, 408759), (223, 291447), (423, 153647), (477, 136253), (611, 106371), (669, 97149), (689, 94329), (1833, 35457), (2007, 32383), (2067, 31443), (2491, 26091), (2899, 22419), (5499, 11819), (6201, 10481), (7473, 8697)]