1809408003

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 2749461120

約数和(自身を除く): 940053117

約数列:

[1, 3, 13, 37, 39, 73, 89, 111, 193, 219, 267, 481, 579, 949, 1157, 1443, 2509, 2701, 2847, 3293, 3471, 6497, 7141, 7527, 8103, 9879, 14089, 17177, 19491, 21423, 35113, 42267, 42809, 51531, 84461, 92833, 105339, 128427, 183157, 223301, 240389, 253383, 278499, 521293, 549471, 635549, 669903, 721167, 1253921, 1563879, 1906647, 3125057, 3761763, 6776809, 8262137, 9375171, 16300973, 20330427, 24786411, 46395077, 48902919, 139185231, 603136001, 1809408003]

約数ペア:

[(1, 1809408003), (3, 603136001), (13, 139185231), (37, 48902919), (39, 46395077), (73, 24786411), (89, 20330427), (111, 16300973), (193, 9375171), (219, 8262137), (267, 6776809), (481, 3761763), (579, 3125057), (949, 1906647), (1157, 1563879), (1443, 1253921), (2509, 721167), (2701, 669903), (2847, 635549), (3293, 549471), (3471, 521293), (6497, 278499), (7141, 253383), (7527, 240389), (8103, 223301), (9879, 183157), (14089, 128427), (17177, 105339), (19491, 92833), (21423, 84461), (35113, 51531), (42267, 42809)]