28147791

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{577}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 45278208

約数和(自身を除く): 17130417

約数列:

[1, 3, 7, 21, 23, 69, 101, 161, 303, 483, 577, 707, 1731, 2121, 2323, 4039, 6969, 12117, 13271, 16261, 39813, 48783, 58277, 92897, 174831, 278691, 407939, 1223817, 1340371, 4021113, 9382597, 28147791]

約数ペア:

[(1, 28147791), (3, 9382597), (7, 4021113), (21, 1340371), (23, 1223817), (69, 407939), (101, 278691), (161, 174831), (303, 92897), (483, 58277), (577, 48783), (707, 39813), (1731, 16261), (2121, 13271), (2323, 12117), (4039, 6969)]