40438251

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{11261}}^1$

素因数の和:11296

約数の個数: 32

約数和(自身を含む): 72076800

約数和(自身を除く): 31638549

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 11261, 33783, 78827, 101349, 213959, 236481, 304047, 641877, 709443, 1497713, 1925631, 2128329, 4493139, 5776893, 13479417, 40438251]

約数ペア:

[(1, 40438251), (3, 13479417), (7, 5776893), (9, 4493139), (19, 2128329), (21, 1925631), (27, 1497713), (57, 709443), (63, 641877), (133, 304047), (171, 236481), (189, 213959), (399, 101349), (513, 78827), (1197, 33783), (3591, 11261)]