211232667

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 331997184

約数和(自身を除く): 120764517

約数列:

[1, 3, 17, 23, 31, 37, 51, 69, 93, 111, 157, 391, 471, 527, 629, 713, 851, 1147, 1173, 1581, 1887, 2139, 2553, 2669, 3441, 3611, 4867, 5809, 8007, 10833, 12121, 14467, 14601, 17427, 19499, 26381, 36363, 43401, 58497, 61387, 79143, 82739, 98753, 111941, 133607, 180079, 184161, 248217, 296259, 335823, 400821, 448477, 540237, 1345431, 1902997, 2271319, 3061343, 4141817, 5708991, 6813957, 9184029, 12425451, 70410889, 211232667]

約数ペア:

[(1, 211232667), (3, 70410889), (17, 12425451), (23, 9184029), (31, 6813957), (37, 5708991), (51, 4141817), (69, 3061343), (93, 2271319), (111, 1902997), (157, 1345431), (391, 540237), (471, 448477), (527, 400821), (629, 335823), (713, 296259), (851, 248217), (1147, 184161), (1173, 180079), (1581, 133607), (1887, 111941), (2139, 98753), (2553, 82739), (2669, 79143), (3441, 61387), (3611, 58497), (4867, 43401), (5809, 36363), (8007, 26381), (10833, 19499), (12121, 17427), (14467, 14601)]