18400545

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{359}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 34369920

約数和(自身を除く): 15969375

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 67, 85, 153, 201, 255, 335, 359, 603, 765, 1005, 1077, 1139, 1795, 3015, 3231, 3417, 5385, 5695, 6103, 10251, 16155, 17085, 18309, 24053, 30515, 51255, 54927, 72159, 91545, 120265, 216477, 274635, 360795, 408901, 1082385, 1226703, 2044505, 3680109, 6133515, 18400545]

約数ペア:

[(1, 18400545), (3, 6133515), (5, 3680109), (9, 2044505), (15, 1226703), (17, 1082385), (45, 408901), (51, 360795), (67, 274635), (85, 216477), (153, 120265), (201, 91545), (255, 72159), (335, 54927), (359, 51255), (603, 30515), (765, 24053), (1005, 18309), (1077, 17085), (1139, 16155), (1795, 10251), (3015, 6103), (3231, 5695), (3417, 5385)]