72781155

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1297}}^1$

素因数の和:1380

約数の個数: 48

約数和(自身を含む): 133642080

約数和(自身を除く): 60860925

約数列:

[1, 3, 5, 9, 15, 29, 43, 45, 87, 129, 145, 215, 261, 387, 435, 645, 1247, 1297, 1305, 1935, 3741, 3891, 6235, 6485, 11223, 11673, 18705, 19455, 37613, 55771, 56115, 58365, 112839, 167313, 188065, 278855, 338517, 501939, 564195, 836565, 1617359, 1692585, 2509695, 4852077, 8086795, 14556231, 24260385, 72781155]

約数ペア:

[(1, 72781155), (3, 24260385), (5, 14556231), (9, 8086795), (15, 4852077), (29, 2509695), (43, 1692585), (45, 1617359), (87, 836565), (129, 564195), (145, 501939), (215, 338517), (261, 278855), (387, 188065), (435, 167313), (645, 112839), (1247, 58365), (1297, 56115), (1305, 55771), (1935, 37613), (3741, 19455), (3891, 18705), (6235, 11673), (6485, 11223)]