243493151

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 289267200

約数和(自身を除く): 45774049

約数列:

[1, 11, 19, 61, 71, 209, 269, 671, 781, 1159, 1349, 2959, 4331, 5111, 12749, 14839, 16409, 19099, 47641, 56221, 82289, 180499, 210089, 311771, 362881, 905179, 1165039, 3429481, 3991691, 12815429, 22135741, 243493151]

約数ペア:

[(1, 243493151), (11, 22135741), (19, 12815429), (61, 3991691), (71, 3429481), (209, 1165039), (269, 905179), (671, 362881), (781, 311771), (1159, 210089), (1349, 180499), (2959, 82289), (4331, 56221), (5111, 47641), (12749, 19099), (14839, 16409)]