1815255

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 3538080

約数和(自身を除く): 1722825

約数列:

[1, 3, 5, 9, 13, 15, 29, 39, 45, 65, 87, 107, 117, 145, 195, 261, 321, 377, 435, 535, 585, 963, 1131, 1305, 1391, 1605, 1885, 3103, 3393, 4173, 4815, 5655, 6955, 9309, 12519, 15515, 16965, 20865, 27927, 40339, 46545, 62595, 121017, 139635, 201695, 363051, 605085, 1815255]

約数ペア:

[(1, 1815255), (3, 605085), (5, 363051), (9, 201695), (13, 139635), (15, 121017), (29, 62595), (39, 46545), (45, 40339), (65, 27927), (87, 20865), (107, 16965), (117, 15515), (145, 12519), (195, 9309), (261, 6955), (321, 5655), (377, 4815), (435, 4173), (535, 3393), (585, 3103), (963, 1885), (1131, 1605), (1305, 1391)]