172215819

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{2347}}^1$

素因数の和:2647

約数の個数: 24

約数和(自身を含む): 257866752

約数和(自身を除く): 85650933

約数列:

[1, 3, 9, 31, 93, 263, 279, 789, 2347, 2367, 7041, 8153, 21123, 24459, 72757, 73377, 218271, 617261, 654813, 1851783, 5555349, 19135091, 57405273, 172215819]

約数ペア:

[(1, 172215819), (3, 57405273), (9, 19135091), (31, 5555349), (93, 1851783), (263, 654813), (279, 617261), (789, 218271), (2347, 73377), (2367, 72757), (7041, 24459), (8153, 21123)]