13156968225

素因数分解:

$3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{691}}^1\times {\mathrm{1999}}^1$

素因数の和:2830

約数の個数: 48

約数和(自身を含む): 21966848000

約数和(自身を除く): 8809879775

約数列:

[1, 3, 5, 15, 25, 75, 127, 381, 635, 691, 1905, 1999, 2073, 3175, 3455, 5997, 9525, 9995, 10365, 17275, 29985, 49975, 51825, 87757, 149925, 253873, 263271, 438785, 761619, 1269365, 1316355, 1381309, 2193925, 3808095, 4143927, 6346825, 6581775, 6906545, 19040475, 20719635, 34532725, 103598175, 175426243, 526278729, 877131215, 2631393645, 4385656075, 13156968225]

約数ペア:

[(1, 13156968225), (3, 4385656075), (5, 2631393645), (15, 877131215), (25, 526278729), (75, 175426243), (127, 103598175), (381, 34532725), (635, 20719635), (691, 19040475), (1905, 6906545), (1999, 6581775), (2073, 6346825), (3175, 4143927), (3455, 3808095), (5997, 2193925), (9525, 1381309), (9995, 1316355), (10365, 1269365), (17275, 761619), (29985, 438785), (49975, 263271), (51825, 253873), (87757, 149925)]