191684415

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{541}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 349655040

約数和(自身を除く): 157970625

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 79, 115, 195, 237, 299, 345, 395, 541, 897, 1027, 1185, 1495, 1623, 1817, 2705, 3081, 4485, 5135, 5451, 7033, 8115, 9085, 12443, 15405, 21099, 23621, 27255, 35165, 37329, 42739, 62215, 70863, 105495, 118105, 128217, 161759, 186645, 213695, 354315, 485277, 555607, 641085, 808795, 982997, 1666821, 2426385, 2778035, 2948991, 4914985, 8334105, 12778961, 14744955, 38336883, 63894805, 191684415]

約数ペア:

[(1, 191684415), (3, 63894805), (5, 38336883), (13, 14744955), (15, 12778961), (23, 8334105), (39, 4914985), (65, 2948991), (69, 2778035), (79, 2426385), (115, 1666821), (195, 982997), (237, 808795), (299, 641085), (345, 555607), (395, 485277), (541, 354315), (897, 213695), (1027, 186645), (1185, 161759), (1495, 128217), (1623, 118105), (1817, 105495), (2705, 70863), (3081, 62215), (4485, 42739), (5135, 37329), (5451, 35165), (7033, 27255), (8115, 23621), (9085, 21099), (12443, 15405)]