2154789

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{877}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 3933440

約数和(自身を除く): 1778651

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 877, 2457, 2631, 6139, 7893, 11401, 18417, 23679, 34203, 55251, 79807, 102609, 165753, 239421, 307827, 718263, 2154789]

約数ペア:

[(1, 2154789), (3, 718263), (7, 307827), (9, 239421), (13, 165753), (21, 102609), (27, 79807), (39, 55251), (63, 34203), (91, 23679), (117, 18417), (189, 11401), (273, 7893), (351, 6139), (819, 2631), (877, 2457)]