221809545

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{5861}}^1$

素因数の和:5930

約数の個数: 36

約数和(自身を含む): 398252556

約数和(自身を除く): 176443011

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 841, 1305, 2523, 4205, 5861, 7569, 12615, 17583, 29305, 37845, 52749, 87915, 169969, 263745, 509907, 849845, 1529721, 2549535, 4929101, 7648605, 14787303, 24645505, 44361909, 73936515, 221809545]

約数ペア:

[(1, 221809545), (3, 73936515), (5, 44361909), (9, 24645505), (15, 14787303), (29, 7648605), (45, 4929101), (87, 2549535), (145, 1529721), (261, 849845), (435, 509907), (841, 263745), (1305, 169969), (2523, 87915), (4205, 52749), (5861, 37845), (7569, 29305), (12615, 17583)]