205654845

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1153}}^1$

素因数の和:1242

約数の個数: 64

約数和(自身を含む): 382869504

約数和(自身を除く): 177214659

約数列:

[1, 3, 5, 11, 15, 23, 33, 47, 55, 69, 115, 141, 165, 235, 253, 345, 517, 705, 759, 1081, 1153, 1265, 1551, 2585, 3243, 3459, 3795, 5405, 5765, 7755, 11891, 12683, 16215, 17295, 26519, 35673, 38049, 54191, 59455, 63415, 79557, 132595, 162573, 178365, 190245, 270955, 291709, 397785, 596101, 812865, 875127, 1246393, 1458545, 1788303, 2980505, 3739179, 4375635, 6231965, 8941515, 13710323, 18695895, 41130969, 68551615, 205654845]

約数ペア:

[(1, 205654845), (3, 68551615), (5, 41130969), (11, 18695895), (15, 13710323), (23, 8941515), (33, 6231965), (47, 4375635), (55, 3739179), (69, 2980505), (115, 1788303), (141, 1458545), (165, 1246393), (235, 875127), (253, 812865), (345, 596101), (517, 397785), (705, 291709), (759, 270955), (1081, 190245), (1153, 178365), (1265, 162573), (1551, 132595), (2585, 79557), (3243, 63415), (3459, 59455), (3795, 54191), (5405, 38049), (5765, 35673), (7755, 26519), (11891, 17295), (12683, 16215)]