278797942791

素因数分解:

$3^6\times {\mathrm{547}}^1\times {\mathrm{699157}}^1$

素因数の和:699722

約数の個数: 28

約数和(自身を含む): 418770472312

約数和(自身を除く): 139972529521

約数列:

[1, 3, 9, 27, 81, 243, 547, 729, 1641, 4923, 14769, 44307, 132921, 398763, 699157, 2097471, 6292413, 18877239, 56631717, 169895151, 382438879, 509685453, 1147316637, 3441949911, 10325849733, 30977549199, 92932647597, 278797942791]

約数ペア:

[(1, 278797942791), (3, 92932647597), (9, 30977549199), (27, 10325849733), (81, 3441949911), (243, 1147316637), (547, 509685453), (729, 382438879), (1641, 169895151), (4923, 56631717), (14769, 18877239), (44307, 6292413), (132921, 2097471), (398763, 699157)]