287780931

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{733}}^1$

素因数の和:913

約数の個数: 40

約数和(自身を含む): 445491024

約数和(自身を除く): 157710093

約数列:

[1, 3, 9, 27, 37, 81, 111, 131, 333, 393, 733, 999, 1179, 2199, 2997, 3537, 4847, 6597, 10611, 14541, 19791, 27121, 43623, 59373, 81363, 96023, 130869, 244089, 288069, 392607, 732267, 864207, 2196801, 2592621, 3552851, 7777863, 10658553, 31975659, 95926977, 287780931]

約数ペア:

[(1, 287780931), (3, 95926977), (9, 31975659), (27, 10658553), (37, 7777863), (81, 3552851), (111, 2592621), (131, 2196801), (333, 864207), (393, 732267), (733, 392607), (999, 288069), (1179, 244089), (2199, 130869), (2997, 96023), (3537, 81363), (4847, 59373), (6597, 43623), (10611, 27121), (14541, 19791)]