279934245

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71503}}^1$

素因数の和:71546

約数の個数: 32

約数和(自身を含む): 514828800

約数和(自身を除く): 234894555

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 71503, 214509, 357515, 643527, 1072545, 1930581, 2073587, 3217635, 6220761, 9652905, 10367935, 18662283, 31103805, 55986849, 93311415, 279934245]

約数ペア:

[(1, 279934245), (3, 93311415), (5, 55986849), (9, 31103805), (15, 18662283), (27, 10367935), (29, 9652905), (45, 6220761), (87, 3217635), (135, 2073587), (145, 1930581), (261, 1072545), (435, 643527), (783, 357515), (1305, 214509), (3915, 71503)]