213312429

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 350438400

約数和(自身を除く): 137125971

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 191, 261, 319, 389, 573, 957, 1167, 1719, 2101, 2871, 3501, 4279, 5539, 6303, 11281, 12837, 16617, 18909, 33843, 38511, 49851, 60929, 74299, 101529, 124091, 182787, 222897, 372273, 548361, 668691, 817289, 1116819, 2154671, 2451867, 6464013, 7355601, 19392039, 23701381, 71104143, 213312429]

約数ペア:

[(1, 213312429), (3, 71104143), (9, 23701381), (11, 19392039), (29, 7355601), (33, 6464013), (87, 2451867), (99, 2154671), (191, 1116819), (261, 817289), (319, 668691), (389, 548361), (573, 372273), (957, 222897), (1167, 182787), (1719, 124091), (2101, 101529), (2871, 74299), (3501, 60929), (4279, 49851), (5539, 38511), (6303, 33843), (11281, 18909), (12837, 16617)]