77819895

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 139531392

約数和(自身を除く): 61711497

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 131, 215, 307, 387, 393, 645, 655, 921, 1179, 1535, 1935, 1965, 2763, 4605, 5633, 5895, 13201, 13815, 16899, 28165, 39603, 40217, 50697, 66005, 84495, 118809, 120651, 198015, 201085, 253485, 361953, 594045, 603255, 1729331, 1809765, 5187993, 8646655, 15563979, 25939965, 77819895]

約数ペア:

[(1, 77819895), (3, 25939965), (5, 15563979), (9, 8646655), (15, 5187993), (43, 1809765), (45, 1729331), (129, 603255), (131, 594045), (215, 361953), (307, 253485), (387, 201085), (393, 198015), (645, 120651), (655, 118809), (921, 84495), (1179, 66005), (1535, 50697), (1935, 40217), (1965, 39603), (2763, 28165), (4605, 16899), (5633, 13815), (5895, 13201)]