3138996975

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{20327}}^1$

素因数の和:20440

約数の個数: 48

約数和(自身を含む): 5444651520

約数和(自身を除く): 2305654545

約数列:

[1, 3, 5, 15, 25, 29, 71, 75, 87, 145, 213, 355, 435, 725, 1065, 1775, 2059, 2175, 5325, 6177, 10295, 20327, 30885, 51475, 60981, 101635, 154425, 304905, 508175, 589483, 1443217, 1524525, 1768449, 2947415, 4329651, 7216085, 8842245, 14737075, 21648255, 36080425, 41853293, 44211225, 108241275, 125559879, 209266465, 627799395, 1046332325, 3138996975]

約数ペア:

[(1, 3138996975), (3, 1046332325), (5, 627799395), (15, 209266465), (25, 125559879), (29, 108241275), (71, 44211225), (75, 41853293), (87, 36080425), (145, 21648255), (213, 14737075), (355, 8842245), (435, 7216085), (725, 4329651), (1065, 2947415), (1775, 1768449), (2059, 1524525), (2175, 1443217), (5325, 589483), (6177, 508175), (10295, 304905), (20327, 154425), (30885, 101635), (51475, 60981)]