17779419

素因数分解:

$3^4\times 7^1\times {\mathrm{31357}}^1$

素因数の和:31376

約数の個数: 20

約数和(自身を含む): 30354544

約数和(自身を除く): 12575125

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 31357, 94071, 219499, 282213, 658497, 846639, 1975491, 2539917, 5926473, 17779419]

約数ペア:

[(1, 17779419), (3, 5926473), (7, 2539917), (9, 1975491), (21, 846639), (27, 658497), (63, 282213), (81, 219499), (189, 94071), (567, 31357)]