20171328021

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{90787}}^1$

素因数の和:91023

約数の個数: 40

約数和(自身を含む): 32604512864

約数和(自身を除く): 12433184843

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 211, 351, 633, 1053, 1899, 2743, 5697, 8229, 17091, 24687, 74061, 90787, 222183, 272361, 817083, 1180231, 2451249, 3540693, 7353747, 10622079, 19156057, 31866237, 57468171, 95598711, 172404513, 249028741, 517213539, 747086223, 1551640617, 2241258669, 6723776007, 20171328021]

約数ペア:

[(1, 20171328021), (3, 6723776007), (9, 2241258669), (13, 1551640617), (27, 747086223), (39, 517213539), (81, 249028741), (117, 172404513), (211, 95598711), (351, 57468171), (633, 31866237), (1053, 19156057), (1899, 10622079), (2743, 7353747), (5697, 3540693), (8229, 2451249), (17091, 1180231), (24687, 817083), (74061, 272361), (90787, 222183)]