15205760787

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1\times {\mathrm{557}}^1$

素因数の和:940

約数の個数: 64

約数和(自身を含む): 23939324928

約数和(自身を除く): 8733564141

約数列:

[1, 3, 7, 21, 61, 101, 183, 211, 303, 427, 557, 633, 707, 1281, 1477, 1671, 2121, 3899, 4431, 6161, 11697, 12871, 18483, 21311, 33977, 38613, 43127, 56257, 63933, 90097, 101931, 117527, 129381, 149177, 168771, 237839, 270291, 352581, 393799, 447531, 713517, 822689, 1181397, 1299971, 2468067, 3431677, 3899913, 7169147, 9099797, 10295031, 11870227, 21507441, 24021739, 27299391, 35610681, 50184029, 72065217, 83091589, 150552087, 249274767, 724083847, 2172251541, 5068586929, 15205760787]

約数ペア:

[(1, 15205760787), (3, 5068586929), (7, 2172251541), (21, 724083847), (61, 249274767), (101, 150552087), (183, 83091589), (211, 72065217), (303, 50184029), (427, 35610681), (557, 27299391), (633, 24021739), (707, 21507441), (1281, 11870227), (1477, 10295031), (1671, 9099797), (2121, 7169147), (3899, 3899913), (4431, 3431677), (6161, 2468067), (11697, 1299971), (12871, 1181397), (18483, 822689), (21311, 713517), (33977, 447531), (38613, 393799), (43127, 352581), (56257, 270291), (63933, 237839), (90097, 168771), (101931, 149177), (117527, 129381)]