681615

素因数分解:

$3^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1$

素因数の和:51

約数の個数: 56

約数和(自身を含む): 1416528

約数和(自身を除く): 734913

約数列:

[1, 3, 5, 9, 11, 15, 17, 27, 33, 45, 51, 55, 81, 85, 99, 135, 153, 165, 187, 243, 255, 297, 405, 459, 495, 561, 729, 765, 891, 935, 1215, 1377, 1485, 1683, 2295, 2673, 2805, 3645, 4131, 4455, 5049, 6885, 8019, 8415, 12393, 13365, 15147, 20655, 25245, 40095, 45441, 61965, 75735, 136323, 227205, 681615]

約数ペア:

[(1, 681615), (3, 227205), (5, 136323), (9, 75735), (11, 61965), (15, 45441), (17, 40095), (27, 25245), (33, 20655), (45, 15147), (51, 13365), (55, 12393), (81, 8415), (85, 8019), (99, 6885), (135, 5049), (153, 4455), (165, 4131), (187, 3645), (243, 2805), (255, 2673), (297, 2295), (405, 1683), (459, 1485), (495, 1377), (561, 1215), (729, 935), (765, 891)]