131365215

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2341}}^1$

素因数の和:2424

約数の個数: 48

約数和(自身を含む): 241132320

約数和(自身を除く): 109767105

約数列:

[1, 3, 5, 9, 15, 29, 43, 45, 87, 129, 145, 215, 261, 387, 435, 645, 1247, 1305, 1935, 2341, 3741, 6235, 7023, 11223, 11705, 18705, 21069, 35115, 56115, 67889, 100663, 105345, 203667, 301989, 339445, 503315, 611001, 905967, 1018335, 1509945, 2919227, 3055005, 4529835, 8757681, 14596135, 26273043, 43788405, 131365215]

約数ペア:

[(1, 131365215), (3, 43788405), (5, 26273043), (9, 14596135), (15, 8757681), (29, 4529835), (43, 3055005), (45, 2919227), (87, 1509945), (129, 1018335), (145, 905967), (215, 611001), (261, 503315), (387, 339445), (435, 301989), (645, 203667), (1247, 105345), (1305, 100663), (1935, 67889), (2341, 56115), (3741, 35115), (6235, 21069), (7023, 18705), (11223, 11705)]