221448195

素因数分解:

$3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{8243}}^1$

素因数の和:8456

約数の個数: 32

約数和(自身を含む): 395712000

約数和(自身を除く): 174263805

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 199, 597, 995, 1791, 2985, 5373, 8243, 8955, 24729, 26865, 41215, 74187, 123645, 222561, 370935, 1112805, 1640357, 4921071, 8201785, 14763213, 24605355, 44289639, 73816065, 221448195]

約数ペア:

[(1, 221448195), (3, 73816065), (5, 44289639), (9, 24605355), (15, 14763213), (27, 8201785), (45, 4921071), (135, 1640357), (199, 1112805), (597, 370935), (995, 222561), (1791, 123645), (2985, 74187), (5373, 41215), (8243, 26865), (8955, 24729)]