64117263

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{461}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 101122560

約数和(自身を除く): 37005297

約数列:

[1, 3, 7, 21, 37, 111, 179, 259, 461, 537, 777, 1253, 1383, 3227, 3759, 6623, 9681, 17057, 19869, 46361, 51171, 82519, 119399, 139083, 247557, 358197, 577633, 1732899, 3053203, 9159609, 21372421, 64117263]

約数ペア:

[(1, 64117263), (3, 21372421), (7, 9159609), (21, 3053203), (37, 1732899), (111, 577633), (179, 358197), (259, 247557), (461, 139083), (537, 119399), (777, 82519), (1253, 51171), (1383, 46361), (3227, 19869), (3759, 17057), (6623, 9681)]