15393645

素因数分解:

$3^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:407

約数の個数: 40

約数和(自身を含む): 27878400

約数和(自身を除く): 12484755

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 191, 199, 405, 573, 597, 955, 995, 1719, 1791, 2865, 2985, 5157, 5373, 8595, 8955, 15471, 16119, 25785, 26865, 38009, 77355, 80595, 114027, 190045, 342081, 570135, 1026243, 1710405, 3078729, 5131215, 15393645]

約数ペア:

[(1, 15393645), (3, 5131215), (5, 3078729), (9, 1710405), (15, 1026243), (27, 570135), (45, 342081), (81, 190045), (135, 114027), (191, 80595), (199, 77355), (405, 38009), (573, 26865), (597, 25785), (955, 16119), (995, 15471), (1719, 8955), (1791, 8595), (2865, 5373), (2985, 5157)]