27774345

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 48628800

約数和(自身を除く): 20854455

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 129, 149, 215, 255, 289, 447, 645, 731, 745, 867, 1445, 2193, 2235, 2533, 3655, 4335, 6407, 7599, 10965, 12427, 12665, 19221, 32035, 37281, 37995, 43061, 62135, 96105, 108919, 129183, 186405, 215305, 326757, 544595, 645915, 1633785, 1851623, 5554869, 9258115, 27774345]

約数ペア:

[(1, 27774345), (3, 9258115), (5, 5554869), (15, 1851623), (17, 1633785), (43, 645915), (51, 544595), (85, 326757), (129, 215305), (149, 186405), (215, 129183), (255, 108919), (289, 96105), (447, 62135), (645, 43061), (731, 37995), (745, 37281), (867, 32035), (1445, 19221), (2193, 12665), (2235, 12427), (2533, 10965), (3655, 7599), (4335, 6407)]