51645897

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{929}}^1$

素因数の和:1038

約数の個数: 32

約数和(自身を含む): 80352000

約数和(自身を除く): 28706103

約数列:

[1, 3, 9, 27, 29, 71, 87, 213, 261, 639, 783, 929, 1917, 2059, 2787, 6177, 8361, 18531, 25083, 26941, 55593, 65959, 80823, 197877, 242469, 593631, 727407, 1780893, 1912811, 5738433, 17215299, 51645897]

約数ペア:

[(1, 51645897), (3, 17215299), (9, 5738433), (27, 1912811), (29, 1780893), (71, 727407), (87, 593631), (213, 242469), (261, 197877), (639, 80823), (783, 65959), (929, 55593), (1917, 26941), (2059, 25083), (2787, 18531), (6177, 8361)]