12768921

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 22171968

約数和(自身を除く): 9403047

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 81, 99, 153, 187, 243, 281, 297, 459, 561, 843, 891, 1377, 1683, 2529, 2673, 3091, 4131, 4777, 5049, 7587, 9273, 14331, 15147, 22761, 27819, 42993, 45441, 52547, 68283, 83457, 128979, 157641, 250371, 386937, 472923, 751113, 1160811, 1418769, 4256307, 12768921]

約数ペア:

[(1, 12768921), (3, 4256307), (9, 1418769), (11, 1160811), (17, 751113), (27, 472923), (33, 386937), (51, 250371), (81, 157641), (99, 128979), (153, 83457), (187, 68283), (243, 52547), (281, 45441), (297, 42993), (459, 27819), (561, 22761), (843, 15147), (891, 14331), (1377, 9273), (1683, 7587), (2529, 5049), (2673, 4777), (3091, 4131)]