997983

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:124

約数の個数: 36

約数和(自身を含む): 1754688

約数和(自身を除く): 756705

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 73, 93, 147, 217, 219, 279, 441, 511, 651, 657, 1519, 1533, 1953, 2263, 3577, 4557, 4599, 6789, 10731, 13671, 15841, 20367, 32193, 47523, 110887, 142569, 332661, 997983]

約数ペア:

[(1, 997983), (3, 332661), (7, 142569), (9, 110887), (21, 47523), (31, 32193), (49, 20367), (63, 15841), (73, 13671), (93, 10731), (147, 6789), (217, 4599), (219, 4557), (279, 3577), (441, 2263), (511, 1953), (651, 1533), (657, 1519)]