261948909

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{1201}}^1$

素因数の和:1365

約数の個数: 32

約数和(自身を含む): 380793600

約数和(自身を除く): 118844691

約数列:

[1, 3, 23, 29, 69, 87, 109, 327, 667, 1201, 2001, 2507, 3161, 3603, 7521, 9483, 27623, 34829, 72703, 82869, 104487, 130909, 218109, 392727, 801067, 2403201, 3010907, 3796361, 9032721, 11389083, 87316303, 261948909]

約数ペア:

[(1, 261948909), (3, 87316303), (23, 11389083), (29, 9032721), (69, 3796361), (87, 3010907), (109, 2403201), (327, 801067), (667, 392727), (1201, 218109), (2001, 130909), (2507, 104487), (3161, 82869), (3603, 72703), (7521, 34829), (9483, 27623)]