66311289

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 110071104

約数和(自身を除く): 43759815

約数列:

[1, 3, 9, 11, 33, 37, 43, 99, 111, 129, 333, 387, 407, 421, 473, 1221, 1263, 1419, 1591, 3663, 3789, 4257, 4631, 4773, 13893, 14319, 15577, 17501, 18103, 41679, 46731, 52503, 54309, 140193, 157509, 162927, 171347, 199133, 514041, 597399, 669811, 1542123, 1792197, 2009433, 6028299, 7367921, 22103763, 66311289]

約数ペア:

[(1, 66311289), (3, 22103763), (9, 7367921), (11, 6028299), (33, 2009433), (37, 1792197), (43, 1542123), (99, 669811), (111, 597399), (129, 514041), (333, 199133), (387, 171347), (407, 162927), (421, 157509), (473, 140193), (1221, 54309), (1263, 52503), (1419, 46731), (1591, 41679), (3663, 18103), (3789, 17501), (4257, 15577), (4631, 14319), (4773, 13893)]