221034255

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 425005056

約数和(自身を除く): 203970801

約数列:

[1, 3, 5, 13, 15, 17, 23, 39, 51, 65, 69, 85, 115, 169, 195, 221, 223, 255, 299, 345, 391, 507, 663, 669, 845, 897, 1105, 1115, 1173, 1495, 1955, 2535, 2873, 2899, 3315, 3345, 3791, 3887, 4485, 5083, 5129, 5865, 8619, 8697, 11373, 11661, 14365, 14495, 15249, 15387, 18955, 19435, 25415, 25645, 37687, 43095, 43485, 49283, 56865, 58305, 66079, 66677, 76245, 76935, 87193, 113061, 147849, 188435, 198237, 200031, 246415, 261579, 330395, 333385, 435965, 565305, 640679, 739245, 866801, 991185, 1000155, 1133509, 1307895, 1922037, 2600403, 3203395, 3400527, 4334005, 5667545, 9610185, 13002015, 14735617, 17002635, 44206851, 73678085, 221034255]

約数ペア:

[(1, 221034255), (3, 73678085), (5, 44206851), (13, 17002635), (15, 14735617), (17, 13002015), (23, 9610185), (39, 5667545), (51, 4334005), (65, 3400527), (69, 3203395), (85, 2600403), (115, 1922037), (169, 1307895), (195, 1133509), (221, 1000155), (223, 991185), (255, 866801), (299, 739245), (345, 640679), (391, 565305), (507, 435965), (663, 333385), (669, 330395), (845, 261579), (897, 246415), (1105, 200031), (1115, 198237), (1173, 188435), (1495, 147849), (1955, 113061), (2535, 87193), (2873, 76935), (2899, 76245), (3315, 66677), (3345, 66079), (3791, 58305), (3887, 56865), (4485, 49283), (5083, 43485), (5129, 43095), (5865, 37687), (8619, 25645), (8697, 25415), (11373, 19435), (11661, 18955), (14365, 15387), (14495, 15249)]