668538306

素因数分解:

$2^1\times 3^3\times {\mathrm{151}}^1\times {\mathrm{163}}^1\times {\mathrm{503}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 1507645440

約数和(自身を除く): 839107134

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 151, 163, 302, 326, 453, 489, 503, 906, 978, 1006, 1359, 1467, 1509, 2718, 2934, 3018, 4077, 4401, 4527, 8154, 8802, 9054, 13581, 24613, 27162, 49226, 73839, 75953, 81989, 147678, 151906, 163978, 221517, 227859, 245967, 443034, 455718, 491934, 664551, 683577, 737901, 1329102, 1367154, 1475802, 2050731, 2213703, 4101462, 4427406, 12380339, 24760678, 37141017, 74282034, 111423051, 222846102, 334269153, 668538306]

約数ペア:

[(1, 668538306), (2, 334269153), (3, 222846102), (6, 111423051), (9, 74282034), (18, 37141017), (27, 24760678), (54, 12380339), (151, 4427406), (163, 4101462), (302, 2213703), (326, 2050731), (453, 1475802), (489, 1367154), (503, 1329102), (906, 737901), (978, 683577), (1006, 664551), (1359, 491934), (1467, 455718), (1509, 443034), (2718, 245967), (2934, 227859), (3018, 221517), (4077, 163978), (4401, 151906), (4527, 147678), (8154, 81989), (8802, 75953), (9054, 73839), (13581, 49226), (24613, 27162)]