172872843

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{10891}}^1$

素因数の和:10955

約数の個数: 32

約数和(自身を含む): 278138112

約数和(自身を除く): 105265269

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 143, 407, 429, 481, 1221, 1443, 5291, 10891, 15873, 32673, 119801, 141583, 359403, 402967, 424749, 1208901, 1557413, 4432637, 4672239, 5238571, 13297911, 15715713, 57624281, 172872843]

約数ペア:

[(1, 172872843), (3, 57624281), (11, 15715713), (13, 13297911), (33, 5238571), (37, 4672239), (39, 4432637), (111, 1557413), (143, 1208901), (407, 424749), (429, 402967), (481, 359403), (1221, 141583), (1443, 119801), (5291, 32673), (10891, 15873)]