278007561

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{38953}}^1$

素因数の和:39033

約数の個数: 24

約数和(自身を含む): 439556936

約数和(自身を除く): 161549375

約数列:

[1, 3, 9, 13, 39, 61, 117, 183, 549, 793, 2379, 7137, 38953, 116859, 350577, 506389, 1519167, 2376133, 4557501, 7128399, 21385197, 30889729, 92669187, 278007561]

約数ペア:

[(1, 278007561), (3, 92669187), (9, 30889729), (13, 21385197), (39, 7128399), (61, 4557501), (117, 2376133), (183, 1519167), (549, 506389), (793, 350577), (2379, 116859), (7137, 38953)]