2173815

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 4412928

約数和(自身を除く): 2239113

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 67, 103, 105, 201, 309, 315, 335, 469, 515, 603, 721, 927, 1005, 1407, 1545, 2163, 2345, 3015, 3605, 4221, 4635, 6489, 6901, 7035, 10815, 20703, 21105, 32445, 34505, 48307, 62109, 103515, 144921, 241535, 310545, 434763, 724605, 2173815]

約数ペア:

[(1, 2173815), (3, 724605), (5, 434763), (7, 310545), (9, 241535), (15, 144921), (21, 103515), (35, 62109), (45, 48307), (63, 34505), (67, 32445), (103, 21105), (105, 20703), (201, 10815), (309, 7035), (315, 6901), (335, 6489), (469, 4635), (515, 4221), (603, 3605), (721, 3015), (927, 2345), (1005, 2163), (1407, 1545)]