72402915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{21841}}^1$

素因数の和:21879

約数の個数: 32

約数和(自身を含む): 132100416

約数和(自身を除く): 59697501

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 21841, 65523, 109205, 283933, 327615, 371297, 851799, 1113891, 1419665, 1856485, 4258995, 4826861, 5569455, 14480583, 24134305, 72402915]

約数ペア:

[(1, 72402915), (3, 24134305), (5, 14480583), (13, 5569455), (15, 4826861), (17, 4258995), (39, 1856485), (51, 1419665), (65, 1113891), (85, 851799), (195, 371297), (221, 327615), (255, 283933), (663, 109205), (1105, 65523), (3315, 21841)]