28547253

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3407}}^1$

素因数の和:3446

約数の個数: 36

約数和(自身を含む): 50506560

約数和(自身を除く): 21959307

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 3407, 8379, 10221, 23849, 30663, 64733, 71547, 166943, 194199, 214641, 453131, 500829, 582597, 1359393, 1502487, 3171917, 4078179, 9515751, 28547253]

約数ペア:

[(1, 28547253), (3, 9515751), (7, 4078179), (9, 3171917), (19, 1502487), (21, 1359393), (49, 582597), (57, 500829), (63, 453131), (133, 214641), (147, 194199), (171, 166943), (399, 71547), (441, 64733), (931, 30663), (1197, 23849), (2793, 10221), (3407, 8379)]